TR(1) General Commands Manual TR(1)
NAME
tr - translate character codes
SYNOPSIS
tr [-cds] [string1] [string2]
OPTIONS
-c Complement the set of characters in string1
-d Delete all characters specified in string1
-s Squeeze all runs of characters in string1 to one character
EXAMPLES
tr '[A-Z]' '[a-z]' <x >y
# Convert upper case to lower case
tr -d '0123456789' <f1 >f2
# Delete all digits from f1
DESCRIPTION
Tr performs simple character translation. When no flag is specified, each character in string1 is mapped onto the corresponding character
in string2 .
TR(1)
