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       _                    _
  ___ | |__   __ _ _______ | |_
 / _ \| '_ \ / _` |_  / _ \| __|
| (_) | | | | (_| |/ / (_) | |_
 \___/|_| |_|\__,_/___\___/ \__|

tr — translate characters

OPTIONS

-d	delete characters
-s	squeeze repeats

Characters can be specified as a character, class, range.

class	: [:class:]	:alpha, alnum, digit, cntrl, upper, lower, print, space, punct.
range	: aA0-zZ9 (the beginning of the range is excluded).

EXAMPLES

$ echo "hello" | tr "l" "m"
hemmo

control chacters

echo "hello" | tr 'e' '\n'
h
llo

echo 'hello' | tr 'l' '\t'
he              o

character range

echo 'hello' | tr 'h-l' 'a-d'
aeddo

Character classes

echo '1.hello\n2.goodbye' | tr '[:digit:]' 'a-c'
b.hello
c.goodbye

TODO

check character range.
check octal.
check repetitions.

AUTHORS

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