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NAME
     unshar - unpack a shar file

SYNOPSIS
     unshar [ options ] [ file ... ]

DESCRIPTION
     Unshar scans mail messages looking for the start of a  shell
     archive.   It  then passes the archive through a copy of the
     shell to unpack it.  It will accept multiple files.   If  no
     files are given, standard input is used.

OPTIONS
     Options have a one letter version starting with - or a  long
     version  starting  with  --.   The  exception  is --help and
     --version, which does not have a short version.

     --version
          Print the version number of  the  program  on  standard
          output, then immediately exits.

     --help
          Print a help summary on standard output,  then  immedi-
          ately exits.

     -d DIRECTORY  --directory=DIRECTORY
          Change directory  to  DIRECTORY  before  unpacking  any
          files.

     -c  --overwrite
          Passed as an option  to  the  shar  file.   Many  shell
          archive  scripts  (including  those  produced by `shar'
          3.40 and newer) accepts a -c argument to indicate  that
          existing files should be overwritten.

     -e  --exit-0
          This option exists mainly for people who  collect  many
          shell  archives  into  a single mail folder.  With this
          option, `unshar' isolates each different shell  archive
          from  the  others which have been put in the same file,
          unpacking each in turn, from the beginning of the  file
          towards  its  end.   Its proper operation relies on the
          fact that many shar files are terminated by a `exit  0'
          at the beginning of a line.

          Option -e is internally equivalent to -E "exit 0".

     -E STRING  --split-at=STRING
          This option works like -e, but it allows you to specify
          the  string  that  separates archives if `exit 0' isn't
          appropriate.

          For example, noticing that most  `.signatures'  have  a
          `--' on a line right before them, one can sometimes use
          `--split-at=--' for splitting shell archives which lack
          the  `exit  0' line at end.  The signature will then be
          skipped altogether with the headers  of  the  following
          message.

     -f  --force
          The same as -c.

SEE ALSO
     shar(1)

DIAGNOSTICS
     Any message from the shell may be displayed.

AUTHORS
     The shar and unshar programs is the collective work of  many
     authors.   Many  people  contributed  by reporting problems,
     suggesting various improvements or submitting  actual  code.
     A  list  of these people is in the THANKS file in the sharu-
     tils distribution.

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