rev − reverse lines of a file
rev [file ...]
The 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.
rev
accepts the following options:
−−version
Print version number then exit
rev has no known bugs.
This Perl implementation of rev was written by Andy Murren, [email protected].
This program is covered by the GNU Public License (GPL). See http://www.gnu.org/copyleft/gpl.html for complete detail of the license.