NAME
    unexpand - convert spaces to tabs

SYNOPSIS
    unexpand [OPTION]... [FILE]...

DESCRIPTION
    Convert spaces in each FILE to tabs, writing to standard output. With
    no FILE, or when FILE is -, read standard input.

    Mandatory arguments to long options are mandatory for short options
    too.

    -a, --all
    convert all whitespace, instead of initial whitespace

    -t, --tabs=NUMBER
    have tabs NUMBER characters apart instead of 8

    -t, --tabs=LIST
    use comma separated list of explicit tab positions

    --help display this help and exit

    --version
    output version information and exit

AUTHOR
    Written by David MacKenzie.

REPORTING BUGS
    Report bugs to <bug-coreutils@gnu.org>.

COPYRIGHT
    Copyright (C) 2002 Free Software Foundation, Inc.
    This is free software; see the source for copying conditions. There is
    NO warranty; not even for MERCHANTABILITY or FITNESS FOR  A PARTICULAR
    PURPOSE.

SEE ALSO
    The full documentation for unexpand is maintained as a Texinfo manual.
    If the info and unexpand programs are properly installed at your  site,
    the command

    info unexpand

    should give you access to the complete manual.