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'use warnings' instead of 'perl -w'
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@@ -1,5 +1,6 @@
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#!/usr/bin/perl -w
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#!/usr/bin/perl
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use strict;
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use strict;
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use warnings;
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use Getopt::Long;
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use Getopt::Long;
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use Time::HiRes qw( usleep );
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use Time::HiRes qw( usleep );
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use IO::Handle;
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use IO::Handle;
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