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elmex |
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#!/opt/perl/bin/perl |
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root |
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# usage: regiontree < maps/regions |
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elmex |
1.1 |
my %regions; |
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sub print_rec { |
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my ($reg, $pad) = @_; |
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print ((" " x ($pad * 4))."$reg\n"); |
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for (@{$regions{$reg}->{child}}) { |
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print_rec ($_, $pad + 1); |
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} |
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} |
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my $curreg = ''; |
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while (<STDIN>) { |
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if (/^region\s*(\S+)\s*$/) { |
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$curreg = $1; |
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$regions{$curreg} = {}; |
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} elsif (/^parent\s*(\S+)\s*$/) { |
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$regions{$1} = {} unless exists $regions{$1}; |
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$regions{$curreg}->{parent} = $1; |
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push @{$regions{$1}->{child}}, $curreg; |
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} |
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} |
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for (sort grep { not $regions{$_}->{parent} } keys %regions) { |
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print_rec ($_); |
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} |
