Transliterate:
tr/\0-\037\177-\377//d;
Btw, all characters less than 128 are ASCII, you wanted to eliminate control characters - which includes newline, carriage return and tab. 'Printable ASCII' describes what you want to keep.
Update: Ionizor, you're wrong. There are lots of extended 8-bit character sets and ms code pages, but none are ASCII, which is 7-bit.
Update2: pg, it compiles for me, but I did err in placing leading zeros in the escaped octals, to make more than three octal digits. Repaired, and thanks.
After Compline,
Zaxo
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