V10/man/man1/fmt.1

.TH FMT 1
.CT 1 writing_other
.SH NAME
fmt \(mi ultra-simple text formatter
.SH SYNOPSIS
.B fmt
[
.I option ...
]
[
.I file ...
]
.SH DESCRIPTION
.I Fmt
copies the given
.I files
(standard input by default)
to its standard output, filling and indenting lines.
The options are
.TP
.BI -l " n
Output line length is
.I n,
including indent, (default 70).
.TP
.BI -i " n
Indent
.I n
spaces (default 0).
.PP
Empty lines and initial white space in input lines are preserved.
Empty lines are inserted between input files.
.PP
.I Fmt
is idempotent: it leaves already formatted text unchanged.
.SH BUGS
Words longer than 256 characters are split.