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Perl split function
Post 302556008 by birei on Friday 16th of September 2011 10:18:43 AM
09-16-2011
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$mystring = "name:blk:house::";
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On a line in a file::
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Hi... I have a question regarding the split function in PERL.
I have a very huge csv file (more than 80 million records). I need to extract a particular position(eg : 50th position) of each line from the csv file. I tried using split function. But I realized split takes a very long time.
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Hi... I have a question regarding the split function in PERL.
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LEARN ABOUT MOJAVE
number::compare5.18
Number::Compare(3) User Contributed Perl Documentation Number::Compare(3) NAME
Number::Compare - numeric comparisons SYNOPSIS
Number::Compare->new(">1Ki")->test(1025); # is 1025 > 1024 my $c = Number::Compare->new(">1M"); $c->(1_200_000); # slightly terser invocation DESCRIPTION
Number::Compare compiles a simple comparison to an anonymous subroutine, which you can call with a value to be tested again. Now this would be very pointless, if Number::Compare didn't understand magnitudes. The target value may use magnitudes of kilobytes ("k", "ki"), megabytes ("m", "mi"), or gigabytes ("g", "gi"). Those suffixed with an "i" use the appropriate 2**n version in accordance with the IEC standard: http://physics.nist.gov/cuu/Units/binary.html METHODS
->new( $test ) Returns a new object that compares the specified test. ->test( $value ) A longhanded version of $compare->( $value ). Predates blessed subroutine reference implementation. ->parse_to_perl( $test ) Returns a perl code fragment equivalent to the test. AUTHOR
Richard Clamp <richardc@unixbeard.net> COPYRIGHT
Copyright (C) 2002,2011 Richard Clamp. All Rights Reserved. This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. SEE ALSO
http://physics.nist.gov/cuu/Units/binary.html perl v5.18.2 2011-09-21 Number::Compare(3)