minix man page for tr

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)