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RAR Kommandozeilen-tool

RAR-Archiv erzeugen

rar a -v50000k ./News/007.Agent.under.Fire.PS2.PAL.rar ./News/007.iso

007.iso wird ins archiv gepackt.

rar m -v50000k ./News/007.Agent.under.Fire.PS2.PAL.rar ./News/007.iso

007.iso wird ins archiv gepackt und anschliessend GELOESCHT!!

erzeugt in 50MB grosse stuecke gesplittetes rar-archiv.

rar Usermanual

                            User's Manual

                      Welcome to the RAR Archiver!

21:20, 7. Sep. 2008 (CEST)21:20, 7. Sep. 2008 (CEST)~~

   RAR is a powerful tool allowing you to manage and control archive
 files. Console RAR supports archives only in RAR format, the names
 of which usually have a ".rar" extension. ZIP and other formats
 are not supported. Windows users may install GUI RAR version - WinRAR,
 which is able to process many more archive types.

 RAR features include:

   *  Highly sophisticated, original compression algorithm
   *  Special compression algorithms optimized for text, audio,
      graphics data, 32 and 64-bit Intel executables
   *  Better compression than similar tools, using 'solid' archiving
   *  Authenticity verification (registered version only)
   *  Self-extracting archives and volumes (SFX)
   *  Ability to recover physically damaged archives
   *  Locking, password, file order list, file security & more ...

Configuration file
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 RAR for Unix reads configuration information from the file .rarrc
 in the user's home directory (stored in HOME environment variable)
 or in /etc directory.

 RAR for Windows reads configuration information from the file rar.ini,
 placed in the same directory as the rar.exe file.

 This file may contain the following string:

 switches=any RAR switches, separated by spaces

 For example:

 switches=-m5 -s

Environment variable
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   Default parameters may be added to the RAR command line by establishing
   an environment variable "RAR".

   For instance, in UNIX following lines may be added to your profile:

     RAR='-s -md1024'
     export RAR

   RAR will use this string as default parameters in the command line and
   will create "solid" archives with 1024 KB sliding dictionary size.

   RAR handles options with priority as following:

      command line switches                   highest priority
      switches in the RAR variable            lower priority
      switches saved in configuration file    lowest priority

Log file
21:20, 7. Sep. 2008 (CEST)Cbs

 If the switch -ilog is specified in the command line or configuration
 file, RAR will write informational messages, concerning errors
 encountered while processing archives, into a log file. Read switch
 -ilog description for more details.

The file order list for solid archiving - rarfiles.lst
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 rarfiles.lst contains a user-defined file list, which tells RAR
 the order in which to add files to a solid archive. It may contain
 file names, wildcards and special entry - $default. The default
 entry defines the place in order list for files not matched
 with other entries in this file. The comment character is ';'.

 In Windows this file should be placed in the same directory as RAR
 or in %APPDATA%\WinRAR directory, in Unix - to the user's home directory
 or in /etc.

 Tips to provide improved compression and speed of operation:

 - similar files should be grouped together in the archive;
 - frequently accessed files should be placed at the beginning.

 Normally masks placed nearer to the top of list have a higher priority,
 but there is an exception from this rule. If rarfiles.lst contains such
 two masks that all files matched by one mask are also matched by another,
 that mask which matches a smaller subset of file names will have higher
 priority regardless of its position in the list. For example, if you have
 *.cpp and f*.cpp masks, f*.cpp has a higher priority, so the position of
 'filename.cpp' will be chosen according to 'f*.cpp', not '*.cpp'.

RAR command line syntax
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   RAR <command>  [ -<switches> ]  <archive>  [ <@listfiles...> ]
       [ <files...> ]  [ <path_to_extract\> ]


   Command line options (commands and switches) provide control of
   creating and managing archives with RAR. The command is a string (or a
   single letter) which commands RAR to perform a corresponding action.
   Switches are designed to modify the way RAR performs the action. Other
   parameters are archive name and files to be archived into or extracted
   from the archive.

   Listfiles are plain text files that contain names of files to process.
   File names should start at the first column. It is possible to
   put comments to the listfile after // characters. For example,
   you may create backup.lst containing the following strings:

   c:\work\doc\*.txt         //backup text documents
   c:\work\image\*.bmp       //backup pictures

   and then run:

      rar a backup @backup.lst

   If you wish to read file names from stdin (standard input),
   specify the empty listfile name (just @).

   Win32 console RAR uses OEM (DOS) encoding in list files.

   You may specify both usual file names and list files in the same
   command line. If neither files nor listfiles are specified,
   then *.* is implied and RAR will process all files

   In a UNIX environment you need to quote wildcards to avoid them
   being expanded by shell. For example, this command will extract
   *.asm files from RAR archives in current path:

      rar e '*.rar' '*.asm'

   Command could be any of the following:

   a       Add files to archive.


           create or update existent archive myarch, adding all files
           in the current directory

           rar a myarch

   c       Add archive comment. Comments are displayed while the archive is
           being processed. Comment length is limited to 62000 bytes


           rar c distrib.rar

           Also comments may be added from a file using -z[file] switch.
           The following command adds a comment from info.txt file:

           rar c -zinfo.txt dummy

   cf      Add files comment. File comments are displayed when the 'v'
           command is given. File comment length is limited to 32767 bytes.


           rar cf bigarch *.txt

   ch      Change archive parameters.

           This command can be used with most of archive modification
           switches to modify archive parameters. It is especially
           convenient for switches like -av, -cl, -cu, -tl, which do not
           have a dedicated command.

           It is not able to recompress, encrypt or decrypt archive data
           and it cannot merge or create volumes. If used without any
           switches, 'ch' command just copies the archive data without


           Set archive time to latest file:

           rar ch -tl files.rar

   cw      Write archive comment to specified file.

           Format of output file depends on -sc switch.


           1) rar cw arc comment.txt

           2) rar cw -scuc arc unicode.txt

   d       Delete files from archive. Please note if the processing of this
           command results in removing all the files from the archive,
           the empty archive would removed.

   e       Extract files to current directory.

   f       Freshen files in archive. Updates those files changed since they
           were packed to the archive. This command will not add new files
           to the archive.

           Find string in archives.

           Supports following optional parameters:

             i - case insensitive search (default);

             c - case sensitive search;

             h - hexadecimal search;

             t - use ANSI, Unicode and OEM character tables (Win32 only);

           If no parameters are specified, it is possible to use
           the simplified command syntax i<string> instead of i=<string>

           It is allowed to specify 't' modifier with other parameters,
           for example, ict=string performs case sensitive search
           using all mentioned above character tables.


           1) rar "ic=first level" -r c:\*.rar *.txt

           Perform case sensitive search of "first level" string
           in *.txt files in *.rar archives on the disk c:

           2) rar ih=f0e0aeaeab2d83e3a9 -r e:\texts

           Search for hex string f0 e0 ae ae ab 2d 83 e3 a9
           in rar archives in e:\texts directory.

   k       Lock archive. Any command which intends to change the archive
           will be ignored.


           rar k final.rar

   l[t,b]  List contents of archive [technical]. Files are listed as with
           the 'v' command with the exception of the file path. i.e. only
           the file name is displayed. Optional technical information
           (host OS, solid flag and old version flag) is displayed
           when 't' modifier is used. Modifier 'b' forces RAR to output
           only bare file names without any additional information.

   m[f]    Move to archive [files only]. Moving files and directories
           results in the files and directories being erased upon
           successful completion of the packing operation. Directories will
           not be removed if 'f' modifier is used and/or '-ed' switch is

   p       Print file to stdout.

           You may use this command together with -inul switch to disable
           all RAR messages and print only file data. It may be important
           when you need to send a file to stdout for use in pipes.

   r       Repair archive. Archive repairing is performed in two stages.
           First, the damaged archive is searched for a recovery record
           (see 'rr' command). If the archive contains a recovery record
           and if the portion of the damaged data is continuous and less
           than N*512 bytes, where N is number of recovery sectors placed
           into the archive, the chance of successful archive
           reconstruction is very high. When this stage has been completed,
           a new archive will be created, called fixed.arcname.rar,
           where 'arcname' is the original (damaged) archive name.

           If a broken archive does not contain a recovery record or if
           the archive is not completely recovered due to major damage, a
           second stage is performed. During this stage only the archive
           structure is reconstructed and it is impossible to recover
           files which fail the CRC validation, it is still possible,
           however, to recover undamaged files, which were inaccessible
           due to the broken archive structure. Mostly this is useful
           for non-solid archives.

           When the second stage is completed, the reconstructed archive
           will be saved as rebuilt.arcname.rar, where 'arcname' is
           the original archive name.

           RAR/DOS32 version uses _recover.rar and _reconst.rar instead
           of names mentioned aboves.

           While the recovery is in progress, RAR may prompt the user for
           assistance when a suspicious file is detected.

                     Suspicious entry

             Name:  <possibly filename>
             Size:  <size>    Packed: <compressed size>

                     Add it: Yes/No/All

           Answer 'y' to add this entry to the file rebuilt.arcname.rar.


           rar r buggy.rar

   rc      Reconstruct missing and damaged volumes using recovery volumes
           (.rev files). You need to specify any existing volume
           as the archive name, for example, 'rar rc backup.part03.rar'

           Read 'rv' command description for information about
           recovery volumes.

   rn      Rename archived files.

           The command syntax is:

           rar rn <arcname> <srcname1> <destname1> ... <srcnameN> <destnameN>

           For example, the following command:

           rar rn data.rar readme.txt readme.bak info.txt info.bak

           will rename readme.txt to readme.bak and info.txt to info.bak
           in the archive data.rar.

           It is allowed to use wildcards in the source and destination
           names for simple name transformations like changing file
           extensions. For example:

           rar rn data.rar *.txt *.bak

           will rename all *.txt files to *.bak.

           RAR does not check if the destination file name is already
           present in the archive, so you need to be careful to avoid
           duplicated names. It is especially important when using
           wildcards. Such a command is potentially dangerous, because
           a wrong wildcard may corrupt all archived names.

   rr[N]   Add data recovery record. Optionally, redundant information
           (recovery record) may be added to an archive. This will cause
           a small increase of the archive size and helps to recover
           archived files in case of floppy disk failure or data losses of
           any other kind. A recovery record contains up to 524288 recovery
           sectors. The number of sectors may be specified directly in the
           'rr' command (N = 1, 2 .. 524288) or, if it is not specified by
           the user, it will be selected automatically according to the
           archive size: a size of the recovery information will be about
           1% of the total archive size, usually allowing the recovery of
           up to 0.6% of the total archive size of continuously damaged data.

           It is also possible to specify the recovery record size in
           percent to the archive size. Just append the percent character
           to the command parameter. For example:

           rar rr3% arcname

           Note that if you run this command from .bat or .cmd file,
           you need to use rr3%% instead of rr3%, because the command
           processor treats the single '%' character as the start of
           a batch file parameter. You may also use 'p' instead of '%',
           so 'rr3p' will work too.

           If data is damaged continuously, then each rr-sector helps to
           recover 512 bytes of damaged information. This value may be
           lower in cases of multiple damage.

           The size of the recovery record may be approximately determined
           by the formula <archive size>/256 + <number of recovery
           sectors>*512 bytes.

   rv[N]   Create recovery volumes (.rev files), which can be later
           used to reconstruct missing and damaged files in a volume
           set. This command makes sense only for multivolume archives
           and you need to specify the name of the first volume
           in the set as the archive name. For example:

           rar rv3 data.part01.rar

           This feature may be useful for backups or, for example,
           when you posted a multivolume archive to a newsgroup
           and a part of subscribers did not receive some of the files.
           Reposting recovery volumes instead of usual volumes
           may reduce the total number of files to repost.

           Each recovery volume is able to reconstruct one missing
           or damaged RAR volume. For example, if you have 30 volumes
           and 3 recovery volumes, you are able to reconstruct any
           3 missing volumes. If the number of .rev files is less than
           the number of missing volumes, reconstructing is impossible.
           The total number of usual and recovery volumes must not
           exceed 255.

           Original RAR volumes must not be modified after creating
           recovery volumes. Recovery algorithm uses data stored both
           in REV files and in RAR volumes to rebuild missing RAR volumes.
           So if you modify RAR volumes, for example, lock them, after
           creating REV files, recovery process will fail.

           The optional <N> parameter specifies a number of recovery
           volumes to create and must be less than the total number
           of RAR volumes in the set. You may also append a percent
           character to this parameter, in such case the number of
           creating .rev files will be equal to this percent taken
           from the total number of RAR volumes. For example:

           rar rv15% data.part01.rar

           RAR reconstructs missing and damaged volumes either when
           using 'rc' command or automatically, if it cannot locate
           the next volume and finds the required number of .rev files
           when unpacking.

           Original copies of damaged volumes are renamed to *.bad
           before reconstruction. For example, volname.part03.rar
           will be renamed to volname.part03.rar.bad.

   s[name] Convert archive to SFX. The archive is merged with a SFX module
           (using a module in file default.sfx or specified in the switch).
           In the Windows version default.sfx should be placed in the
           same directory as the rar.exe, in Unix - in the user's
           home directory, in /usr/lib or /usr/local/lib.

   s-      Remove SFX module from the already existing SFX archive.
           RAR creates a new archive without SFX module, the original
           SFX archive is not deleted.

   t       Test archive files. This command performs a dummy file
           extraction, writing nothing to the output stream, in order to
           validate the specified file(s).


           Test archives in current directory:

           rar t *

           or for Unix:

           rar t '*'

           User may test archives in all sub-directories, starting
           with the current path:

           rar t -r *

           or for Unix:

           rar t -r '*'

   u       Update files in archive. Adds files not yet in the archive
           and updates files that have been changed since they were packed
           into the archive.

   v[t,b]  Verbosely list the contents of archive [technical].
           Files are listed using the format: full pathname, file comment,
           original and compressed size, compression ratio, last update
           date and time, attributes, CRC, compression method and minimum
           RAR version required to extract. Optional technical information
           (host OS, solid flag and old file version flag) is displayed
           when 't' modifier is used. Modifier 'b' forces RAR to output
           only bare file names without any additional information.

           To list the contents of all archive volumes, use an asterisk
           ('*') in place of the archive file extension or use the '-v'


           1) list contents of system.rar archive (technical mode)
              and redirect output to file techlist.lst

              rar vt system >techlist.lst

           2) list contents of tutorial.rar archive (bare file names mode)

              rar vb tutorial

   x       Extract files with full path.


           rar x -av- -c- dime 10cents.txt

           extract specified file to current path. AV check and comment
           show are disabled.

   Switches (used in conjunction with a command):

   -?      Display help on commands and switches. The same as when none
           or an illegal command line option is entered.

   --      Stop switches scanning

           This switch tells to RAR that there are no more switches
           in the command line. It could be useful, if either archive
           or file name starts from '-' character. Without '--' switch
           such a name would be treated as a switch.


           add all files from the current directory to the solid archive

           RAR a -s -- -StrangeName

   -ac     Clear Archive attribute after compression or extraction
           (Windows version only).

   -ad     Append archive name to destination path.

           This option may be useful when unpacking a group of archives.
           By default RAR places files from all archives in the same
           directory, but this switch creates a separate directory
           for files unpacked from each archive.


           rar x -ad *.rar data\

           RAR will create subdirectories below 'data' for every unpacking

           Generate archive name using the current date and time.
           Appends the current date string to an archive name when
           creating an archive. Useful for daily backups.
           Format of the appending string is defined by the optional
           "format" parameter or by "YYYYMMDDHHMMSS" if this parameter
           is absent. The format string may include the following
           Y   - year
           M   - month
           MMM - month name as text string (Jan, Feb, etc.)
           W   - a week number (a week starts with Monday)
           A   - day of week number (Monday is 1, Sunday - 7)
           D   - day of month
           E   - day of year
           H   - hours
           M   - minutes (treated as minutes if encountered after hours)
           S   - seconds
           N   - archive number. RAR searches for already existing archive
                 with generated name and if found, increments the archive
                 number until generating a unique name. 'N' format character
                 is not supported when creating volumes.
           Each of format string characters listed above represents only
           one character added to archive name. For example, use WW for
           two digit week number or YYYY to define four digit year.
           If the first character in the format string is '+', positions
           of the date string and base archive name are exchanged,
           so a date will precede an archive name.
           The format string may contain optional text enclosed in '{'
           and '}' characters. This text is inserted into archive name.
           All other characters are added to an archive name without
           If you need to update an already existing archive, be careful
           with -ag switch. Depending on the format string and time passed
           since previous -ag use, generated and existing archive names
           may mismatch. In this case RAR will create a new archive
           instead of updating the already existing.

           1) use the default YYYYMMDDHHMMSS format
              rar a -ag backup
           2) use DD-MMM-YY format
              rar a -agDD-MMM-YY backup
           3) use YYYYMMDDHHMM format, place date before 'backup'
              rar a -ag+YYYYMMDDHHMM backup
           4) use YYYY-WW-A format, include fields description
              rar a -agYYYY{year}-WW{week}-A{wday} backup
           5) use YYYYMMDD and the archive number. It allows to generate
              unique names even when YYYYMMDD format mask used more than
              once in the same day
              rar a -agYYYYMMDD-NN backup

   -ao     Add files with Archive attribute set
           (Windows version only).
           add all disk C: files with Archive attribute set
           to the 'f:backup' and clear files Archive attribute
           rar a -r -ac -ao f:backup c:\*.*

   -ap     Set path inside archive. This path is merged to file
           names when adding files to an archive and removed
           from file names when extracting.
           For example, if you wish to add the file 'readme.txt'
           to the directory 'DOCS\ENG' of archive 'release',
           you may run:
           rar a -apDOCS\ENG release readme.txt
           or to extract 'ENG' to the current directory:
           rar x -apDOCS release DOCS\ENG\*.*

   -as     Synchronize archive contents
           If this switch is used when archiving, those archived files
           which are not present in the list of the currently added
           files, will be deleted from the archive. It is convenient to
           use this switch in combination with -u (update) to synchronize
           contents of an archive and an archiving directory.
           For example, after the command:
           rar a -u -as backup sources\*.cpp
           the archive 'backup.rar' will contain only *.cpp files
           from directory 'sources', all other files will be deleted
           from the archive. It looks similar to creating a new archive,
           but with one important exception: if no files are modified
           since the last backup, the operation is performed much faster
           than the creation of a new archive.

   -av     Put authenticity verification (registered versions only).
           RAR will put, in every new and updated archive, information
           concerning the creator, last update time and archive name.
           If an archive, containing authenticity verification, is being
           modified and this switch is not specified, the authenticity
           verification information will be removed.
           When extracting, testing, listing or updating an archive with
           the '-av' switch, RAR will perform integrity validation and
           display the message:
             Verifying authenticity information ...
           In the case of successful authenticity verification, the message
           'Ok', creator name and last update information will be
           displayed. In the case of authenticity verification failure, the
           message 'FAILED' will be displayed.
           The Authenticity Verification feature, '-av,' is recommended for
           use with archives in a software distribution environment.
           In order to enable the Authenticity verification feature, the
           program MUST be registered. Please contact your local
           distribution site or the world-wide distribution center.

   -av-    Disable authenticity verification checking or adding.

   -cfg-   Ignore configuration file and RAR environment variable.

   -cl     Convert file names to lower case.

   -cu     Convert file names to upper case.

   -c-     Disable comments show.

   -df     Delete files after archiving
           Move files to archive. This switch in combination with
           the command "A" performs the same action as the command "M".

   -dh     Open shared files
           Allows to process files opened by other applications
           for writing.
           This switch helps if an application allowed read access
           to file, but if all types of file access are prohibited,
           the file open operation will still fail.
           This option could be dangerous, because it allows
           to archive a file, which at the same time is modified
           by another application, so use it carefully.

   -dr     Delete files to Recycle Bin
           Delete files after archiving and place them to Recycle Bin.
           Avaialble in Windows version only.

   -ds     Do not sort files while adding to a solid archive.

   -dw     Wipe files after archiving
           Delete files after archiving. Before deleting file data
           are overwritten by zero bytes to prevent recovery of
           deleted files.

   -ed     Do not add empty directories
           This switch indicates that directory records are not to be
           stored in the created archive. When extracting such archives,
           RAR creates non-empty directories basing on paths of files
           contained in them. Information about empty directories is
           lost. All attributes of non-empty directories except a name
           (access rights, streams, etc.) will be lost as well, so use
           this switch only if you do not need to preserve such information.
           If -ed is used with 'm' command or -df switch, RAR will not
           remove empty directories.

   -ee     Do not process extended attributes
           Disables saving and restoring extended file attributes.
           Only for OS/2 versions.

   -en     Do not add "end of archive" block
           By default, RAR adds an "end of archive" block to the end of
           a new or updated archive. It allows to skip external data like
           digital signatures safely, but in some special cases it may be
           useful to disable this feature. For example, if an archive
           is transferred between two systems via an unreliable link and
           at the same time a sender adds new files to it, it may be
           important to be sure that the already received file part will
           not be modified on the other end between transfer sessions.
           This switch cannot be used with volumes, because the end
           of archive block contains information important for correct
           volume processing.

   -ep     Exclude paths from names. This switch enables files to be added
           to an archive without including the path information. This
           could, of course, result in multiple files existing in the
           archive with the same name.

   -ep1    Exclude base dir from names. Do not store the path entered in
           the command line.
           all files and directories from the directory tmp will be added
           to the archive 'test', but the path in archived names will not
           include 'tmp\'
           rar a -ep1 -r test tmp\*
           This is equivalent to the commands:
           cd tmp
           rar a -r ..\test
           cd ..

   -ep2    Expand paths to full. Store full file paths (except a drive
           letter and leading path separator) when archiving.

   -ep3    Expand paths to full including the drive letter.
           Win32 version only.
           This switch stores full file paths including the drive
           letter if used when archiving. Drive separators (colons)
           are replaced by underscore characters.
           If you use -ep3 when extracting, it will change
           underscores back to colons and create unpacked files
           in their original directories and disks. If the user
           also specified a destination path, it will be ignored.
           This switch can help to backup several disks to the same
           archive. For example, you may run:
           rar a -ep3 -r backup.rar c:\ d:\ e:\
           to create backup and:
           rar x -ep3 backup.rar
           to restore it.
           But be cautious and use -ep3 only if you are sure that
           extracting archive does not contain any malicious files.
           In other words, use it if you have created an archive yourself
           or completely trust its author. This switch allows to overwrite
           any file in any location on your computer including important
           system files and should normally be used only for the purpose
           of backup and restore.

           Specifies file exclude or include attributes mask.
           <attr> is a number in the decimal, octal (with leading '0')
           or hex (with leading '0x') format.
           By default, without '+' sign before <attr>, this switch
           defines the exclude mask. So if result of bitwise AND between
           <attr> and file attributes is nonzero, file would not be
           If '+' sign is present, it specifies the include mask.
           Only those files which have at least one attribute specified
           in the mask will be processed.
           In Windows version is also possible to use symbols D, S, H,
           A and R instead of a digital mask to denote directories
           and files with system, hidden, archive and read-only attributes.
           The order in which the attributes are given is not significant.
           Unix version supports D and V symbols to define directory
           and device attributes.
           It is allowed to specify both -e<attr> and -e+<attr>
           in the same command line.
           1) archive only directory names without their contents
              rar a -r -e+d dirs
           2) do not compress system and hidden files:
              rar a -esh files
           3) do not extract read-only files:
              rar x -er files

   -f      Freshen files. May be used with archive extraction or creation.
           The command string "a -f" is equivalent to the command 'f', you
           could also use the switch '-f' with the commands 'm' or 'mf'. If
           the switch '-f' is used with the commands 'x' or 'e', then only
           old files would be replaced with new versions extracted from the

   -hp[p]  Encrypt both file data and headers.
           This switch is similar to -p[p], but switch -p encrypts
           only file data and leaves other information like file names
           visible. This switch encrypts all sensitive archive areas
           including file data, file names, sizes, attributes, comments
           and other blocks, so it provides a higher security level.
           Without a password it is impossible to view even the list of
           files in archive encrypted with -hp.
           rar a -hpfGzq5yKw secret report.txt
           will add the file report.txt to the encrypted archive
           secret.rar using the password 'fGzq5yKw'

           Disable messages.
           Switch -idc disables the copyright string.
           Switch -idd disables "Done" string at the end of operation.
           Switch -idp disables the percentage indicator.
           Switch -idq turns on the quiet mode, so only error messages
           and questions are displayed.
           It is allowed to use several modifiers at once,
           so switch -idcdp is correct.

           Send archive by email. Win32 version only.
           Attach an archive created or updated by the add command
           to email message. You need to have a MAPI compliant email
           client to use this switch (most modern email programs
           support MAPI interface).
           You may enter a destination email address directly
           in the switch or leave it blank. In the latter case you
           will be asked for it by your email program. It is possible
           to specify several addresses separated by commas or semicolons.
           If you append a dot character to -ieml, an archive will be
           deleted after it was successfully attached to an email.
           If the switch is used when creating a multivolume archive,
           every volume is attached to a separate email message.

   -ierr   Send all messages to stderr.

           Log errors to file (registered version only).
           Write error messages to rar.log file. If optional 'name'
           parameter is not specified, the log file is created
           using the following defaults:
           Unix:    .rarlog file in the user's home directory;
           Windows: rar.log file in %APPDATA%\WinRAR directory;
           DOS:     rar.log file in the same directory as the rar32.exe.
           If 'name' parameter includes a file name without path,
           RAR will create the log file in default directory from
           the list above using the specified name. Include both path
           and name to 'name' parameter if you wish to change
           the location of log file.
           rar a -ilogc:\log\backup.log backup d:\docs
           will create c:\log\backup.log log file in case of errors.

   -inul   Disable all messages.

   -ioff   Turn PC off after completing an operation. The hardware must
           support the power off feature. Win32 version only.

   -isnd   Enable sound.

   -k      Lock archive. Any command which intends to change the archive
           will be ignored.

   -kb     Keep broken extracted files.
           RAR, by default, deletes files with CRC errors after
           extraction. The switch -kb specifies that files with
           CRC errors should not be deleted.

   -m<n>   Set compression method:
      -m0   store     do not compress file when adding to archive
      -m1   fastest   use fastest method (less compressive)
      -m2   fast      use fast compression method
      -m3   normal    use normal (default) compression method
      -m4   good      use good compression method (more
                      compressive, but slower)
      -m5   best      use best compression method (slightly more
                      compressive, but slowest)
           If this switch is not specified, RAR uses -m3 method
           (normal compression).
           By default, RAR uses only the general compression
           algorithm in -m1 and -m2 methods, advanced algorithms
           like audio and true color processing are enabled
           only in -m3..-m5 modes, the advanced text compression
           is activated only in -m4..-m5. This default can be
           overridden using -mc switch.

           Set advanced compression parameters.
           This switch is intended mainly for benchmarking and
           experiments. In the real environment it is usually better
           to allow RAR to select optimal parameters automatically.
           Please note that improper use of this switch may lead
           to very serious performance and compression loss, so use
           it only if you clearly understand what you do.
           It has the following syntax:
           -mc[param1][:param2][module][+ or -]
           where <module> is the one character field denoting a part
           of the compression algorithm, which has to be configured.
           It may have the following values:
             A       - audio compression;
             C       - true color (RGB) data compression;
             D       - delta compression;
             E       - 32-bit x86 executables compression;
             I       - 64-bit Intel Itanium executables compression;
             T       - text compression.
           '+' sign at the end of switch applies the selected algorithm
           module to all processed data, '-' disables the module at all.
           If no sign is specified, RAR will choose modules automatically,
           based on data and the current compression method.
           Switch -mc- disables all optional modules and allows only
           the general compression algorithm.
           <Param1> and <Param2> are module dependent parameters
           described below.
           Audio compression, delta compression:
           <Param1> is a number of byte channels (can be 1 - 31).
           RAR splits multibyte channels to bytes, for example,
           two 16-bit audio channels are considered by RAR as four
           channels one byte each.
           <Param2> is ignored.

           32-bit x86 Intel executables compression,
           64-bit Intel Itanium executables compression,
           true color (RGB) data compression:
           <Param1> and <Param2> are ignored.

           Text compression:
           <Param1> is the order of PPM algorithm (can be 2 - 63).
           Usually a higher value slightly increases the compression ratio
           of redundant data, but only if enough memory is available
           to PPM. In case of lack of memory the result may be negative.
           Higher order values decrease both compression and decompression
           <Param2> is memory in megabytes allocated for PPM (1-128).
           Higher values may increase the compression ratio, but note
           that PPM uses the equal memory size both to compress and
           decompress, so if you allocate too much memory when creating
           an archive, other people may have problems when decompressing
           it on a computer with less memory installed. Decompression
           will be still possible using virtual memory, but it may
           become very slow.

           1) switch -mc1a+ forces use of 8-bit mono audio compression
           for all data.
           2) switch -mc10:40t+ forces use of text compression
           algorithm for all data, sets the compression order to 10
           and allocates 40 MB memory.
           3) switch -mc12t sets the text compression order to 12,
           when the text compression is used, but leaves to RAR to
           decide when to use it.
           4) switches -mct- -mcd- disable text and delta compression.

   -md<n>  Select dictionary size <n> in KB. Must be 64, 128, 256, 512,
           1024, 2048 or 4096 or a letter 'a', 'b', 'c', 'd', 'e', 'f', 'g'
           The sliding dictionary is a special memory area used by the
           compression algorithm. If the size of the file being compressed
           (or the total files size in the case of a solid archive) is
           greater than the dictionary size, then increasing the dictionary
           size will generally increase compression ratio, decrease packing
           speed and increase memory requirements.
           RAR can reduce the dictionary size if it is significantly
           larger than the size of the source data. It helps to reduce
           memory requirements without decreasing compression.
           Default sliding dictionary size is 4096 KB.
           RAR a -s -mdd sources *.asm
           RAR a -s -md512 sources *.asm
           Will create a solid archive using a 512 KB dictionary.

           Specify file types to store.
           Specify file types, which will be stored without compression.
           This switch may be used to store already compressed files,
           which helps to increase archiving speed without noticeable
           loss in the compression ratio.
           Optional <list> parameter defines the list of file extensions
           separated by semicolons. For example, -msrar;zip;jpg will
           force RAR to store without compression all RAR and ZIP
           archives and JPG images. It is also allowed to specify wildcard
           file masks in the list, so -ms*.rar;*.zip;*.jpg will work too.
           If <list> is not specified, -ms switch will use the default
           set of extensions, which includes the following file types:
           7z, ace, arj, bz2, cab, gz, jpeg, jpg, lha, lzh, mp3,
           rar, taz, tgz, z, zip

           Set the number of threads. Available in Windows version only.
           <threads> parameter can take values from 0 to 16.
           It defines the recommended number of active threads
           for compression algorithm. If it is greater than 0,
           RAR will use the multithreaded version of compression
           algorithm providing higher speed on multiprocessor
           architectures. Real number of active threads can differ
           from the specified.
           If <threads> is zero, RAR will use the single threaded
           compression algorithm.
           Change of <threads> parameter slightly affects the compression
           ratio, so archives created with different -mt switches
           will not be exactly the same even if all other compression
           settings are equal.
           If -mt switch is not specified, RAR will try to detect
           the number of available processors and select the optimal
           number of threads automatically.

   -n<f>   Include only the specified file <f>. Wildcards may be used
           both in the name and file parts of file mask. You may specify
           the switch '-n' several times.
           This switch does not replace usual file masks, which still
           need to be entered in the command line. It is an additional
           filter limiting processed files only to those matching
           the include mask specified in -n switch. It can help to
           reduce the command line length sometimes.
           For example, if you need to compress all *.txt and *.lst
           files in directories Project and Info, you can enter:
           rar a -r text Project\*.txt Project\*.lst Info\*.txt Info\*.lst
           or using the switch -n:
           rar a -r -n*.txt -n*.lst text Project Info

   -n@<lf> Include files using the specified list file.
           Similar to -n<f> switch, but reads include masks from
           the list file. If you use -n@ without the list file name
           parameter, it will read file names from stdin.
           rar a -r -n@inclist.txt text Project Info

   -oc     Set NTFS Compressed attribute. Win32 version only.
           This switch allows to restore NTFS Compressed attribute
           when extracting files. RAR saves Compressed file attributes
           when creating an archive, but does not restore them unless
           -oc switch is specified.

   -ol     Save symbolic links as the link instead of the file.
           Unix version only.

   -or     Rename extracted files automatically if file with the same name
           already exists. Renamed file will get the name like
           'filename(N).txt', where 'filename.txt' is the original file
           name and 'N' is a number starting from 1 and incrementing
           if file exists.

   -os     Save NTFS streams. Win32 version only.
           This switch has meaning only for NTFS file system and allows
           to save alternative data streams associated with a file.
           It is especially important in Windows 2000, XP and newer,
           which use streams to keep some file dependent information
           like file descriptions. If you use RAR to backup your
           NTFS disks, it is recommended to specify this switch.

   -ow     Use this switch when archiving to save file security
           information and when extracting to restore it.
           Unix RAR version saves file owner and group when using
           this switch.
           Win32 version stores owner, group, file permissions and
           audit information, but only if you have necessary privileges
           to read them. Note that only NTFS file system supports
           file based security under Windows.
   -o[+|-] Set the overwrite mode. Can be used both when extracting
           and updating archived files. Following modes are available:
             -o           Ask before overwrite
                          (default for extracting files);
             -o+          Overwrite all
                          (default for updating archived files);
             -o-          Skip existing files.

-p[p] Encrypt files with the string

as password while archiving. The password is case-sensitive. If you omit the password on the command line, you will be prompted with message "Enter password". Example: rar a -pmyhoney secret1 *.txt add files *.txt and encrypt them with password "myhoney". -p- Do not query password -r Recurse subdirectories. May be used with commands: a, u, f, m, x, e, t, p, v, l, c, cf and s. When used with the commands 'a', 'u', 'f', 'm' will process files in all sub-directories as well as the current working directory. When used with the commands x, e, t, p, v, l, c, cf or s will process all archives in sub-directories as well as the current working directory. -r0 Similar to -r, but when used with the commands 'a', 'u', 'f', 'm' will recurse subdirectories only for those names, which include wildcard characters '*' and '?' -ri<p>[:] Set priority and sleep time. Available only in RAR for Windows. This switch regulates system load by RAR in multitasking environment. Possible task priority <p> values are 0 - 15. If <p> is 0, RAR uses the default task priority. <p> equal to 1 sets the lowest possible priority, 15 - the highest possible. Sleep time <s> is a value from 0 to 1000 (milliseconds). This is a period of time that RAR gives back to the system after every read or write operation while compressing or extracting. Non-zero <s> may be useful if you need to reduce system load even more than can be achieved with <p> parameter. Example: execute RAR with default priority and 10 ms sleep time: rar a -ri0:10 backup *.* -rr[N] Add a data recovery record. This switch is used when creating or modifying an archive to add a data recovery record to the archive. See the 'rr[N]' command description for details. -rv[N] Create recovery volumes. This switch is used when creating a multivolume archive to generate recovery volumes. See the 'rv[N]' command description for details. -s Create solid archive. Solid is a special archive type. Please refer to the appendix "Glossary" for further information. Example: create solid archive sources.rar with 512 KB dictionary, recursing all directories, starting with the current directory. Add only .asm files: rar a -s -md512 sources.rar *.asm -r -s<N> Create solid groups using file count Similar to -s, but reset solid statistics after compressing <N> files. Usually decreases compression, but also decreases losses in case of solid archive damages. -sc<charset>[objects] Specify the character set for list files and archive comment files. 'Charset' parameter is mandatory and can have one of the following values: U - Unicode; A - ANSI (Windows) encoding. Windows version only; O - OEM (DOS) encoding. Windows version only. Files in Unicode format must have FFFE or FEFF Unicode character in the beginning, otherwise RAR will ignore this switch and process the file as ASCII text. 'Objects' parameter is optional and can have one of the following values: L - list files; C - comment files. It is allowed to specify more than one object, for example, -scolc. If 'objects' parameter is missing, 'charset' is applied to all objects. This switch allows to specify the character set for files in -z[file] switch, list files and comment files written by "cw" command. Examples: 1) rar a -scol data @list Read names contained in 'list' using OEM encoding. 2) rar c -scuc -zcomment.txt data Read comment.txt as Unicode file. 3) rar cw -scuc data comment.txt Write comment.txt as Unicode file. -se Create solid groups using extension Similar to -s, but reset solid statistics if file extension is changed. Usually decreases compression, but also decreases losses from solid archive damages. -sfx[name] Create SFX archives. If this switch is used when creating a new archive, a Self-Extracting archive (using a module in file default.sfx or specified in the switch) would be created. In the Windows version default.sfx should be placed in the same directory as the rar.exe, in Unix - in the user's home directory, in /usr/lib or /usr/local/lib. Example: rar a -sfxwincon.sfx myinst create SelF-eXtracting (SFX) archive using wincon.sfx SFX-module. -si[name] Read data from stdin (standard input), when creating an archive. Optional 'name' parameter allows to specify a file name of compressed stdin data in the created archive. If this parameter is missing, the name will be set to 'stdin'. This switch cannot be used with -v. Example: type Tree.Far | rar a -siTree.Far tree.rar will compress 'type Tree.Far' output as 'Tree.Far' file. -sl<size> Process only those files, which size is less than specified in <size> parameter of this switch. Parameter <size> must be specified in bytes. -sm<size> Process only those files, which size is more than specified in <size> parameter of this switch. Parameter <size> must be specified in bytes. -sv Create independent solid volumes By default RAR tries to reset solid statistics as soon as possible when starting a new volume, but only if enough data was packed after a previous reset (at least a few megabytes). This switch forces RAR to ignore packed data size and attempt to reset statistics for volumes of any size. It decreases compression, but increases chances to extract a part of data if one of several solid volumes in a volume set was lost or damaged. Note that sometimes RAR cannot reset statistics even using this switch. For example, it cannot be done when compressing one large file split between several volumes. RAR is able to reset solid statistics only between separate files, but not inside of single file. Ignored if used when creating a non-volume archive. -sv- Create dependent solid volumes Disables to reset solid statistics between volumes. It slightly increases compression, but significantly reduces chances to extract a part of data if one of several solid volumes in a volume set was lost or damaged. Ignored if used when creating a non-volume archive. -s- Disable solid archiving -t Test files after archiving. This switch is especially useful in combination with the move command, so files will be deleted only if the archive had been successfully tested. -ta<date> Process only files modified after the specified date. Format of the date string is YYYYMMDDHHMMSS. It is allowed to insert separators like '-' or ':' to the date string and omit trailing fields. For example, the following switch is correct: -ta2001-11-20 Internally it will be expanded to -ta20011120000000 and treated as "files modified after 0 hour 0 minutes 0 seconds of 20 November 2001". -tb<date> Process only files modified before the specified date. Format of the switch is the same as -ta<date>. -tk Keep original archive date. Prevents RAR from modifying the archive date when changing an archive. -tl Set archive time to newest file. Forces RAR to set the date of a changed archive to the date of the newest file in the archive. -tn