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use Modern::Perl; |
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use Memory::Usage; |
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use File::Slurp qw( read_file ); |
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my @modules = read_file('cpanfile'); |
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my $script = <<EOF; |
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my \$mu = Memory::Usage->new(); |
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\$mu->record("Loading %s"); |
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require %s; |
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\$mu->record("module loaded"); |
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print \$mu->report(); |
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EOF |
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$script =~ s|\n||g; |
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for my $m ( @modules ) { |
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chomp $m; |
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$m =~ s|^requires '([^']*)'.*$|$1|; |
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$m =~ s|^recommends '([^']*)'.*$|$1|; |
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my $cmd = sprintf $script, $m, $m; |
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my $output = qx{perl -MMemory::Usage -E '$cmd'}; |
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my @report = split "\n", $output; |
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my $l = $report[2]; |
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my @x = split " ", $l; |
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my $diff_rss = $x[6]; |
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$diff_rss =~ s|\)$||; |
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say sprintf "%s - %s", $diff_rss, $m; |
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} |