rev — reverse lines characterwise
Examples (TL;DR)
-
Reverse the text string "hello":
echo "hello" | rev -
Reverse an entire file and print to
stdout:rev file
Synopsis
rev [option] [file...]
Description
The rev utility copies the specified files to standard output, reversing the order of characters in every line. If no files are specified, standard input is read.
Options
- -V, --version
Display version information and exit.
- -h, --help
Display help text and exit.
See Also
Availability
The rev command is part of the util-linux package and is available from Linux Kernel Archive.
Referenced By
September 2011 util-linux