UNEXPAND(1)                     User Commands                    UNEXPAND(1)

NAME         top

       unexpand - convert spaces to tabs

SYNOPSIS         top

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

DESCRIPTION         top

       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

       -a, --all
              convert all blanks, instead of just initial blanks

              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 The last specified
              position can be prefixed with '/' to specify a tab size to use
              after the last explicitly specified tab stop.  Also a prefix
              of '+' can be used to align remaining tab stops relative to
              the last specified tab stop instead of the first column

       --help display this help and exit

              output version information and exit

AUTHOR         top

       Written by David MacKenzie.

REPORTING BUGS         top

       GNU coreutils online help: <>
       Report unexpand translation bugs to

COPYRIGHT         top

       Copyright © 2017 Free Software Foundation, Inc.  License GPLv3+: GNU
       GPL version 3 or later <>.
       This is free software: you are free to change and redistribute it.
       There is NO WARRANTY, to the extent permitted by law.

SEE ALSO         top


       Full documentation at:
       or available locally via: info '(coreutils) unexpand invocation'

COLOPHON         top

       This page is part of the coreutils (basic file, shell and text
       manipulation utilities) project.  Information about the project can
       be found at ⟨⟩.  If you have a
       bug report for this manual page, see
       ⟨⟩.  This page was obtained
       from the tarball coreutils-8.29.tar.xz fetched from
       ⟨⟩ on 2018-02-02.  If you discover
       any rendering problems in this HTML version of the page, or you
       believe there is a better or more up-to-date source for the page, or
       you have corrections or improvements to the information in this
       COLOPHON (which is not part of the original manual page), send a mail

GNU coreutils 8.29              December 2017                    UNEXPAND(1)