mr shawn h corey shawnhcoreymagmaca thu 20080807 1842 0800 jeff pang wrote anees 写道 usrbinperl maxrecords20000 steps100 index1 reccounter0 defined right defined equal defined_ _ go without value reading file line line saying enough defined defined useless bc _ undefined loop broken already guess want exclude blank lines say next ifreccounter maxrecords break break wrong statement replace break last perl c index could never use explict variable keeping line number perl builtin variable purpose see perldoc perlvar hth must point statement next earlier loop index counting nonblank lines 000000002 million dollars worth shawn theres duct tape theres hope perl duct tape internet hassan schroeder suns first webmaster unsubscribe email beginnersunsubscribeperlorg additional commands email beginnershelpperlorg httplearnperlorg thu 07 aug 2008 065318 0400 perl clearification