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+.de1 NOP
+.  it 1 an-trap
+.  if \\n[.$] \,\\$*\/
+..
+.ie t \
+.ds B-Font [CB]
+.ds I-Font [CI]
+.ds R-Font [CR]
+.el \
+.ds B-Font B
+.ds I-Font I
+.ds R-Font R
+.TH unshar 1 "30 May 2015" "GNU sharutils (4.15.2)" "User Commands"
+.\"
+.\" DO NOT EDIT THIS FILE (in-mem file)
+.\"
+.\" It has been AutoGen-ed
+.\" From the definitions unshar-opts.def
+.\" and the template file agman-cmd.tpl
+.SH NAME
+\f\*[B-Font]unshar\fP
+\- unpack a shar archive
+.SH SYNOPSIS
+\f\*[B-Font]unshar\fP
+.\" Mixture of short (flag) options and long options
+[\f\*[B-Font]\-flags\f[]]
+[\f\*[B-Font]\-flag\f[] [\f\*[I-Font]value\f[]]]
+[\f\*[B-Font]\-\-option-name\f[][[=| ]\f\*[I-Font]value\f[]]]
+[<file>...]
+.sp \n(Ppu
+.ne 2
+
+The operands that this program operates on may be specified either
+on the command line or read from standard input, one per line.
+In that input, leading and trailing white space is stripped,
+blank lines are ignored.
+Standard input may not be a terminal.
+.sp \n(Ppu
+.ne 2
+
+.SH "DESCRIPTION"
+Unshar scans the input files (typically email messages) looking for
+the start of a shell archive.  If no files are given, then standard
+input is processed instead.  It then passes each archive discovered
+through an invocation of the shell program to unpack it.
+.sp \n(Ppu
+.ne 2
+
+This program will perform its function for every file named on the command
+line or every file named in a list read from stdin.  The arguments or input
+names must be pre\-existing files.  The input list may contain comments,
+which are blank lines or lines beginning with a '#' character.
+.SH "OPTIONS"
+.TP
+.NOP \f\*[B-Font]\-d\f[] \f\*[I-Font]dir\f[], \f\*[B-Font]\-\-directory\f[]=\f\*[I-Font]dir\f[]
+unpack into the directory \fIdir\fP.
+.sp
+The input file names are relative to the current directory
+when the program was started.  This option tells \fBunshar\fP
+to insert a \fBcd <dir>\fP commad at the start of the
+\fBshar\fP text written to the shell.
+.TP
+.NOP \f\*[B-Font]\-c\f[], \f\*[B-Font]\-\-overwrite\f[]
+overwrite any pre-existing files.
+.sp
+This option is passed through as an option to the shar file.  Many
+shell archive scripts accept a \fB-c\fP argument to indicate that
+existing files should be overwritten.
+.TP
+.NOP \f\*[B-Font]\-f\f[], \f\*[B-Font]\-\-force\f[]
+This is an alias for the \fI--overwrite\fR option.
+.TP
+.NOP \f\*[B-Font]\-E\f[] \f\*[I-Font]split\-mark\f[], \f\*[B-Font]\-\-split\-at\f[]=\f\*[I-Font]split\-mark\f[]
+split input on \fBsplit-mark\fP lines.
+The default
+\f\*[I-Font]split\-mark\f[]
+for this option is:
+.ti +4
+ exit 0
+.sp
+With this option, \fBunshar\fP isolates each different shell archive
+from the others which have been placed in the same file, unpacking each
+in turn, from the beginning of the file to the end.  Its proper
+operation relies on the fact that many shar files are terminated by a
+readily identifiable string at the start of the last line.
+.sp
+For example, noticing that most `.signatures' have a double hyphen
+("--") on a line right before them, one can then sometimes use
+\fB--split-at=--\fP.  The signature will then be skipped, along with
+the headers of the following message.
+.TP
+.NOP \f\*[B-Font]\-e\f[], \f\*[B-Font]\-\-exit\-0\f[]
+split input on "exit 0" lines.
+This option must not appear in combination with any of the following options:
+split-at.
+.sp
+Most shell archives end with a line consisting of simply "exit 0".
+This option is equivalent to (and conflicts with)
+\fB--split-at="exit 0"\fP.
+.TP
+.NOP \f\*[B-Font]\-D\f[], \f\*[B-Font]\-\-debug\f[]
+debug the shell code.
+.sp
+"set \-x" will be emitted into the code the shell interprets.
+.TP
+.NOP \f\*[B-Font]\-h\f[], \f\*[B-Font]\-\-help\f[]
+Display usage information and exit.
+.TP
+.NOP \f\*[B-Font]\-\&!\f[], \f\*[B-Font]\-\-more-help\f[]
+Pass the extended usage information through a pager.
+.TP
+.NOP \f\*[B-Font]\-R\f[] [\f\*[I-Font]cfgfile\f[]], \f\*[B-Font]\-\-save-opts\f[] [=\f\*[I-Font]cfgfile\f[]]
+Save the option state to \fIcfgfile\fP.  The default is the \fIlast\fP
+configuration file listed in the \fBOPTION PRESETS\fP section, below.
+The command will exit after updating the config file.
+.TP
+.NOP \f\*[B-Font]\-r\f[] \f\*[I-Font]cfgfile\f[], \f\*[B-Font]\-\-load-opts\f[]=\f\*[I-Font]cfgfile\f[], \f\*[B-Font]\-\-no-load-opts\f[]
+Load options from \fIcfgfile\fP.
+The \fIno-load-opts\fP form will disable the loading
+of earlier config/rc/ini files.  \fI\-\-no-load-opts\fP is handled early,
+out of order.
+.TP
+.NOP \f\*[B-Font]\-v\f[] [{\f\*[I-Font]v|c|n\f[] \f\*[B-Font]\-\-version\f[] [{\f\*[I-Font]v|c|n\f[]}]}]
+Output version of program and exit.  The default mode is `v', a simple
+version.  The `c' mode will print copyright information and `n' will
+print the full copyright notice.
+.PP
+.SH "OPTION PRESETS"
+Any option that is not marked as \fInot presettable\fP may be preset
+by loading values from configuration ("RC" or ".INI") file(s).
+The file "\fI$HOME/.sharrc\fP" will be used, if present.
+.SH "FILES"
+See \fBOPTION PRESETS\fP for configuration files.
+.SH "EXIT STATUS"
+One of the following exit values will be returned:
+.TP
+.NOP 0 " (EXIT_SUCCESS)"
+Successful program execution.
+.TP
+.NOP 1 " (EXIT_FAILURE)"
+There was an error in command usage.
+.TP
+.NOP 2 " (EXIT_POPEN_PROBLEM)"
+cannot spawn or write to a shell process
+.TP
+.NOP 3 " (EXIT_CANNOT_CREATE)"
+cannot create output file
+.TP
+.NOP 4 " (EXIT_BAD_DIRECTORY)"
+the working directory structure is invalid
+.TP
+.NOP 5 " (EXIT_NOMEM)"
+memory allocation failure
+.TP
+.NOP 6 " (EXIT_INVALID)"
+invalid input, does not contain a shar file
+.TP
+.NOP 66 " (EX_NOINPUT)"
+A specified configuration file could not be loaded.
+.TP
+.NOP 70 " (EX_SOFTWARE)"
+libopts had an internal operational error.  Please report
+it to autogen-users@lists.sourceforge.net.  Thank you.
+.PP
+.SH "SEE ALSO"
+shar(1)
+.SH AUTHORS
+The \fIshar\fP and \fIunshar\fP 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 \fITHANKS\fP file in the sharutils distribution.
+.SH "COPYRIGHT"
+Copyright (C) 1994-2015 Free Software Foundation, Inc. all rights reserved.
+This program is released under the terms of the GNU General Public License, version 3 or later.
+.SH BUGS
+Please put \fBsharutils\fP in the subject line for emailed bug
+reports.  It helps to spot the message.
+.sp \n(Ppu
+.ne 2
+
+Please send bug reports to: bug-gnu-utils@gnu.org
+.SH "NOTES"
+This manual page was \fIAutoGen\fP-erated from the \fBunshar\fP
+option definitions.