Usage: fmt [-DIGITS] [OPTION]... [FILE]... Reformat each paragraph in the FILE(s), writing to standard output. If no FILE or if FILE is `-', read standard input. Mandatory arguments to long options are mandatory for short options too. -c, --crown-margin preserve indentation of first two lines -p, --prefix=STRING combine only lines having STRING as prefix -s, --split-only split long lines, but do not refill -t, --tagged-paragraph indentation of first line different from second -u, --uniform-spacing one space between words, two after sentences -w, --width=NUMBER maximum line width (default of 75 columns) --help display this help and exit --version output version information and exit In -wNUMBER, the letter `w' may be omitted.