rev(1) - SerenityOS man pages

Name

rev - reverse lines

Synopsis

$ rev [files...]

Description

rev reads the specified files line by line, and prints them to standard output with each line being reversed characterwise. If no files are specified, then rev will read from standard input.

Examples

To print two files 'foo' and 'bar' in reverse:

$ cat foo bar
foo 1
foo 2
bar 1
bar 2
$ rev foo bar
1 oof
2 oof
1 rab
2 rab

To list files with their names in reverse:

$ ls
foo
bar
$ ls | rev
oof
rab