Tips by tag: non-printable
Remove Non-printable Characters from a File
by cygnus on Dec 31, 2005 04:11 PM
You can use tr to remove non-printable characters from a data stream:
$ tr -cd '\11\12\40-\176' < $INPUT_FILE > $OUTPUT_FILE
(This tip taken from http://www.devdaily.com/unix/edu/un010011/.)
charactersconvertfilternon-printableshelltr
Strip Non-printable Characters
by http://xinu.myopenid.com/ on Jul 03, 2005 12:44 AM
You can use PHP's trim function to remove non-printable characters:
$string = trim($string, "\x7f..\xff\x0..\x1f");
charactersfunctionslanguagesnon-printablephpprogrammingtrim