perl, put one array into many array when field is equal to sth


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perl, put one array into many array when field is equal to sth

Hi Everyone,

Code:
#!/usr/bin/perl
use strict;
use warnings;

my @test=("a;b;qqq;c;d","a;b;ggg;c;d","a;b;qqq;c;d");

would like to split the @test array into two array:
@test1=(("a;b;qqq;c;d","a;b;qqq;c;d"); and @test2=("a;b;ggg;c;d");

means search for 3rd filed.

Thanks

find the answer,
my @match = grep (/qqq/i, @test);

Last edited by jimmy_y; 06-06-2010 at 07:04 AM.. Reason: found the solution
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Statistics::Basic::Median(3pm)				User Contributed Perl Documentation			    Statistics::Basic::Median(3pm)

NAME
Statistics::Basic::Median - find the median of a list SYNOPSIS
Invoke it this way: my $median = median(1,2,3); Or this way: my $v1 = vector(1,2,3); my $med = median($v1); And then either query the values or print them like so: print "The median of $v1: $med "; my $mq = $med->query; my $m0 = 0+$med; Create a 20 point "moving" median like so: use Statistics::Basic qw(:all nofill); my $sth = $dbh->prepare("select col1 from data where something"); my $len = 20; my $med = median()->set_size($len); $sth->execute or die $dbh->errstr; $sth->bind_columns( my $val ) or die $dbh->errstr; while( $sth->fetch ) { $med->insert( $val ); if( defined( $m = $med->query ) ) { print "Median: $m "; } # This would also work: # print "Median: $med " if $med->query_filled; } METHODS
new() The constructor takes a single array ref or a single Statistics::Basic::Vector as arguments. It returns a Statistics::Basic::Median object. Note: normally you'd use the median() constructor, rather than building these by hand using "new()". _OVB::import() This module also inherits all the overloads and methods from Statistics::Basic::_OneVectorBase. OVERLOADS
This object is overloaded. It tries to return an appropriate string for the calculation or the value of the computation in numeric context. In boolean context, this object is always true (even when empty). AUTHOR
Paul Miller "<jettero@cpan.org>" COPYRIGHT
Copyright 2012 Paul Miller -- Licensed under the LGPL SEE ALSO
perl(1), Statistics::Basic, Statistics::Basic::_OneVectorBase, Statistics::Basic::Vector perl v5.14.2 2012-01-23 Statistics::Basic::Median(3pm)

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