Translate or delete characters

Usage: tr [OPTION]... SET1 [SET2]

Arguments:
  [sets]...

Options:
  -c, --complement       use the complement of SET1 [alias: -C]
  -d, --delete           delete characters in SET1, do not translate
  -s, --squeeze-repeats  replace each sequence of a repeated character that is listed in the last
                         specified SET, with a single occurrence of that character
  -t, --truncate-set1    first truncate SET1 to length of SET2
  -h, --help             Print help
  -V, --version          Print version

Translate, squeeze, and/or delete characters from standard input, writing to standard output.