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UNEXPAND(1) User Commands 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 The last speci‐
fied 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
--version
output version information and exit
AUTHOR
Written by David MacKenzie.
REPORTING BUGS
GNU coreutils online help: <https://www.gnu.org/software/core‐
utils/>
Report any translation bugs to <https://translationpro‐
ject.org/team/>
COPYRIGHT
Copyright © 2020 Free Software Foundation, Inc. License GPLv3+:
GNU GPL version 3 or later <https://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)
Full documentation <https://www.gnu.org/software/coreutils/unex‐
pand>
or available locally via: info '(coreutils) unexpand invocation'
GNU coreutils 8.32 April 2020 UNEXPAND(1)