tr — Translate Characters
Synopsis
/usr/bin/tr [-cs] string1 string2 /usr/bin/tr -s|-d [-c] string1 /usr/bin/tr -ds [-c] string1 string2 /usr/bin/xpg4/tr [-cs] string1 string2 /usr/bin/xpg4/tr -s|-d [-c] string1 /usr/bin/xpg4/tr -ds [-c] string1 string2
Description
Use the tr (translate) command to substitute one set of strings for another in a file or to remove specified characters from a file. The tr command is one of the few common UNIX commands that does not enable you to specify a file name as an argument. Instead, you must use the < redirection symbol.
The tr command can translate any number of characters. Usually, you give tr an input list of characters, specified as string1 , followed by an output list of characters, specified as ...
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