Does the script usually expect arguments? If its called again with that strange 1+err arg does it try and do anything with it?

Your second code sample does look a lot more obvious, but I'll be watching this thread to see if anyone can explain $?0. It gives me syntax errors.

Is there any way to google of such strings? (Perl syntax friendly search engines/tips anyone?)

Sorry for another unhelpful reply...

qq

In reply to Re: understanding eval in HPOJ by qq
in thread understanding eval in HPOJ by GhodMode

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