fmt - simple optimal text formatter
fmt [-WIDTH] [OPTION]... [FILE]...
Reformat each paragraph in the FILE(s), writing to standard output. The option -WIDTH is an abbreviated form of --width=DIGITS.
Mandatory arguments to long options are mandatory for short options too.
preserve indentation of first two lines
reformat only lines beginning with STRING, reattaching the prefix to reformatted lines
split long lines, but do not refill
indentation of first line different from second
one space between words, two after sentences
maximum line width (default of 75 columns)
goal width (default of 93% of width)
--help display this help and exit
output version information and exit
With no FILE, or when FILE is -, read standard input.
Written by Ross Paterson.
Report fmt bugs to firstname.lastname@example.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Report fmt translation bugs to <http://translationproject.org/team/>
Copyright © 2013 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.
The full documentation for fmt is maintained as a Texinfo manual. If the info and fmt programs are properly installed at your site, the command
info coreutils 'fmt invocation'
should give you access to the complete manual.