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You almost had it. You just need to add brackets and declare @res:
#!/usr/bin/perl -l use strict; use warnings; use Algorithm::Permute; my(@arr) = qw/A B C/; my $p = new Algorithm::Permute([@arr], 2); while (my(@res) = $p->next) { do { print join(", ", @res); }; } exit 0;

In reply to Re: How can I fix the problem in using the Algorithm::Permute module? by Khen1950fx
in thread How can I fix the problem in using the Algorithm::Permute module? by supriyoch_2008

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