echo

Write arguments to the standard output.

• GNU Coreutils Project Homepage [EN]

• GNU Coreutils [EN] @ Fedora Package
• GNU Coreutils [EN] @ Homebrew Formula

• echo [EN] @ Wikipedia

Documentation

• echo [EN] @ GNU Bash Reference Manual

• echo [EN] @ GNU Coreutils Manual

• bash -c 'help echo'
• man 1 'bash' [EN]

Syntax

echo [PARAMETER ...] [TEXT]

Parameters

-e

If the -e option is given, interpretation of the following backslash-escaped characters is enabled.

• \b for backspace
• \n for new line
• \r for carriage return
• \t for horizontal tab
• \\ for backslash

-n

If -n is specified, the trailing newline is suppressed.

Examples

*beep*

echo -en '\007'

Fewer use of echo followed by a pipe

Send a variable directly to stdin using <<<.

extension='jpg'
echo "${extension}" | sed 's/./[&\u&]/g'
sed 's/./[&\u&]/g' <<<"${extension}"

Output:

[jJ][pP][gG]
[jJ][pP][gG]