How could I make zgrep work? zgrep shows error on archive while unzip -t unzip unzip -p|grep work without problem ~>unzip -t aa.zip Archive: aa.zip testing: aa OK No errors detected in compressed data of aa.zip. 4376671663 Jan 26 22:42 aa 386634752 Jan 28 16:21 aa.zip Zgrep works on other archives without problem. Thanks. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple