tr

tr is a command in Unix-like operating systems. It is an abbreviation of translate or transliterate, indicating its operation of replacing or removing specific characters in its input data set.

• GNU Coreutils Project Homepage [EN]

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

• tr [EN] @ Wikipedia
• tr [DE] @ Wikipedia

Documentation

• tr [EN] @ GNU Coreutils Manual

• man 1 'tr' [EN]

Syntax

tr [PARAMETER ...] [SET ...]

Parameters

-c, -C, --complement

Use the complement of SET1.

-d, --delete

Delete characters in SET1, do not translate.

Examples

Translate the text to upper-case.

tr '[:lower:]' '[:upper:]' <<<'Example Text'

Get calender week

date '+KW %-V' | tr -d '\n'

Output:

KW 8