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- #! /usr/bin/perl -w
- # perl.pl
- use strict; use warnings;
- my @aa=("sdf","sdlfk");my @bb=("sdf","sdlfk");
- my @hh=("sdf","sdlfk");my @cc=("sdf","sdlfk");
- my @gg=("sdf","sdlfk");my @dd=("sdf","sdlfk");
- my @ff=("sdf","sdlfk");my @ee=("sdf","sdlfk");
- my @tmp=(\@aa,\@bb,\@cc,\@dd,\@ee,\@ff,\@aa,\@bb);
- print "@tmp\n";
- foreach(@tmp){
- print $_->[0],"\n";
- }
- unique_array(\@tmp);
- print "@tmp\n";
- foreach(@tmp){
- print $_->[0],"\n";
- }
- #sub tem{}
- sub unique_array{
- my $arref=shift;
- my %tmphash;
- for(my $i=0;$i<@$arref;$i++){
- $tmphash{$arref->[$i]}++;
- }
- @$arref = sort keys(%tmphash);
- }
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