I would like to use regex for my destination because the file size is large and having much lines.Thanks for Bhate's reply.
2005/11/29, Dhanashri Bhate <[EMAIL PROTECTED]>: > Hi Jeff, > If that the problem definition, why do you need regex? You can just keep on > reading the lines one by one and combine 1st and 2nd, 3rd and 4th and so > on.. > I hope I got your question correct :) > > Thanks and regards, > Dhanashri > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Life is a different teacher... > It doesn't teach lessons, and then keep exams... > It keeps the exams first and then teaches the lessons. > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > > -----Original Message----- > From: Jeff Pang [mailto:[EMAIL PROTECTED] > Sent: Tuesday, November 29, 2005 11:53 AM > To: Perl Beginners > Subject: help about regex matching > > hi,list, > > I have a file looking as below: > > 356.5 > 192.168.2.20 > > 283.3 > 192.168.2.21 > > 261.9 > 192.168.2.22 > > 135.9 > 192.168.2.23 > > 557 > 192.168.2.24 > > 79.4 > 192.168.2.25 > > 349 > 192.168.2.26 > > 265.1 > 192.168.2.27 > > 326 > 192.168.2.28 > > 404 > 192.168.2.29 > > 331 > 192.168.2.30 > > 612 > 192.168.2.31 > > ... > > > I want to get this result: > > 356.5 192.168.2.20 > 283.3 192.168.2.21 > 261.9 192.168.2.22 > ... > > > and,I write this regex for matching: > > { > local $/=""; > while (<FILE>) > { > next unless /^(.+?)$(?=.*(\d+\.\d+\.\d+\.\d+))/sm; > print $1,"\t",$2,"\n"; > } > } > > but it can't work correctly. > So,I want to know how to adjust this regex?Thanks. > > -- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > <http://learn.perl.org/> <http://learn.perl.org/first-response> > > > -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] <http://learn.perl.org/> <http://learn.perl.org/first-response>
