UNEXPAND(1)

NAME
unexpand - convert spaces to tabs

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

DESCRIPTION

Convert blanks 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 blanks, instead of just initial blanks

--first-only
    convert only leading sequences of blanks (overrides -a)

-t, --tabs=N
    have tabs N characters apart instead of 8 (enables -a)

-t, --tabs=LIST
    use comma separated LIST of tab positions (enables -a)

--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 © 2008 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
expand(1)

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 coreutils 'unexpand invocation'

should give you access to the complete manual.