12-29-2011
ok, got it.
It will trim all the spaces between the columns.
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FOLD(1) FSF FOLD(1)
NAME
fold - wrap each input line to fit in specified width
SYNOPSIS
fold [OPTION]... [FILE]...
DESCRIPTION
Wrap input lines in each FILE (standard input by default), writing to standard output.
Mandatory arguments to long options are mandatory for short options too.
-b, --bytes
count bytes rather than columns
-c, --characters
count characters rather than columns
-s, --spaces
break at spaces
-w, --width=WIDTH
use WIDTH columns instead of 80
--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 PARTICU-
LAR PURPOSE.
SEE ALSO
The full documentation for fold is maintained as a Texinfo manual. If the info and fold programs are properly installed at your site, the
command
info fold
should give you access to the complete manual.
fold (coreutils) 4.5.3 February 2003 FOLD(1)