freebsd-dev/usr.bin/rev/rev.1

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.\" @(#)rev.1 8.1 (Berkeley) 6/9/93
.\"
.Dd June 9, 1993
.Dt REV 1
.Os
.Sh NAME
.Nm rev
.Nd reverse lines of a file
.Sh SYNOPSIS
.Nm rev
.Op Ar file ...
.Sh DESCRIPTION
The
.Nm rev
utility copies the specified files to the standard output, reversing the
order of characters in every line.
If no files are specified, the standard input is read.