tr <string1> [string2]

Translate characters

Arguments

Name	Description
`string1`	Candidate string
`string2`	Replacment string

Name	Description
`-C`	Complement the set of characters in string1, that is '-C ab' includes every character except for 'a' and 'b'
`-c`	Same as '-C' but complement the set of values in string1
`-d`	Delete characters in string1 from the input
`-s`	Squeeze multiple occurrences of the characters listed in the last operand (either string1 or string2) in the input into a single instance of the character. This occurs after all deletion and translation is completed
`-u`	Guarantee that any output is unbuffered