I asked this same question.. The second way would be more efficent if you put the pattern that will match more often first/at the top.
> -----Original Message----- > From: Dave Chappell [mailto:[EMAIL PROTECTED]] > Sent: Monday, April 15, 2002 10:30 AM > To: [EMAIL PROTECTED] > Subject: examining a file line-by-line > > > Is there a more efficient way of approaching this? > > > > I open 1 file for reading and another for writing. The script > examines each > line of the file being read and if any of the following words > or digits > matches, skip the line and go to the next. Write everything > else to another > file. > > > > while (<IN>) { > > next if /(\d5|\d100|\d25|this|could|get|very|long)/; > > > > Print OUT; > > } > > > > ....or I can do it this way: > > > > > > while (<IN>) { > > next if /\d5/; > > next if /\d100/; > > next if /\d25/; > > next if /this/; > > next if /could/; > > next if /get/; > > next if /very/; > > next if /long/; > > > > print OUT; > > } > > > > Regards, > > > > Dave Chappell > > > > > > > > ---------------------------------------------------------------------------- -------------------- The views and opinions expressed in this email message are the sender's own, and do not necessarily represent the views and opinions of Summit Systems Inc. -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
