rev

reverse lines characterwise

TLDR

Reverse the text string "hello"

>_ echo "hello" | rev
copy

Reverse an entire file and print to stdout

>_ rev [file]
copy

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.

AVAILABILITY

The rev command is part of the util-linux package and is available from https:// www.kernel.org /pub /linux /utils /util-linux/ Linux Kernel Archive .

SEE ALSO

tac(1)

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