1. Executable programs or shell commands
REV
Section: User Commands (1)Updated: 2021-06-02
Index | Return to Main Contents
NAME
rev - reverse lines characterwiseSYNOPSIS
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.
This utility is a line-oriented tool and it uses in-memory allocated buffer for a whole wide-char line. If the input file is huge and without line breaks than allocate the memory for the file may be unsuccessful.
OPTIONS
-V, --version
- Display version information and exit.
-h, --help
- Display help text and exit.
SEE ALSO
tac(1)
REPORTING BUGS
For bug reports, use the issue tracker at <https://github.com/karelzak/util-linux/issues>.
AVAILABILITY
The rev command is part of the util-linux package which can be downloaded from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils/util-linux/>.
Index
Return to Main Contents