rar.txt

linux下用的解压缩软件

            and a part of subscribers did not receive some files.
            Reposting recovery volumes instead of usual volumes
            may reduce a 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 number of .rev files is less than
            number of missing volumes, reconstructing is impossible.
            Total number of usual and recovery volumes must not
            exceed 255.

            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 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).

            Examples:

            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 already in the archive
            and updates files changed since they were packed to 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'
            switch.

            Example:

            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.

            Example:

            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 is no more switches
            in the command line. It could be useful, if either archive
            or file name starts from '-' character. Without '--' switch
            such name would be treated as switch.

            Example:

            add all files from the current directory to the solid archive
            '-StrangeName'

            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 to the same
            directory, but this switch creates a separate directory
            for files unpacked from each archive.

            Example:

            rar x -ad *.rar data\

            RAR will create subdirectories below 'data' for every unpacking
            archive.


    -ag[format]
            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. Format string may include the following characters:

            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.

            If the first character in the format string is '+', positions
            of the date string and base archive name are exchanged,
            so date will precede an archive name.

            All other characters are added to an archive name without
            changes.

            Examples:

            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

               rar a -agYYYY-WW-A 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).

            Example:

            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 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 the one important exception: if no files are
            modified since a last backup, the operation is performed
            much faster than 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 and 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-   Disable read configuration and environment.


    -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,
            file open operation still will fail.

            This option could be dangerous, because it allows
            to archive a file, which at the same time is modifying
            by an other application, so use it carefully.


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


    -ed     Do not add empty directories

            This switch indicates that empty directories are not to be
            stored in the created archive.


    -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 "end of archive" block to the end of 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 a 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.

            Example:

            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.
    

    -e<atr> Specifies file exclude attributes mask. <atr> is a number in
            the decimal, octal (with leading '0') or hex (with leading '0x')
            format. If result of bitwise AND between <atr> and file
            attributes is nonzero, file would not be added to archive.

            In the Windows version also is possible to use symbols D, S, H,
            A and R instead of 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.


    -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
            archive.