Hi Kavita, You may try unpack (http://perldoc.perl.org/functions/unpack.html)
Also read these: http://www.perlmonks.org/?node_id=308607, http://stackoverflow.com/questions/1083269/is-perls-unpack-ever-faster-than-substr On Wed, Apr 10, 2013 at 3:46 PM, kavita kulkarni <kavitahkulka...@gmail.com>wrote: > Hi All, > > I want to extract certain char sets (e.g. char 4 to 9, char 11 to 14 etc.) > from each line of my file and store them in separate variables for further > processing. > My file size can vary from thousand to millions of lines. > If I use perl in-built function substr() to data extraction, it has huge > impact on performance. > Is there any alternative for this? > > Thanks in advance. > > Cheers, > Kavita > -- Regards, Chankey Pathak <http://www.linuxstall.com>
