78 lines
1.5 KiB
Perl
78 lines
1.5 KiB
Perl
#!/usr/bin/perl -w
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use strict;
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my %map;
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# sort comparison function
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sub by_category($$) {
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my ($a, $b) = @_;
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$a = uc $a;
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$b = uc $b;
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# This always sorts last
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$a =~ s/THE REST/ZZZZZZ/g;
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$b =~ s/THE REST/ZZZZZZ/g;
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$a cmp $b;
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}
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sub alpha_output {
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my $key;
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my $sort_method = \&by_category;
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my $sep = "";
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foreach $key (sort $sort_method keys %map) {
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if ($key ne " ") {
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print $sep . $key . "\n";
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$sep = "\n";
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}
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print $map{$key};
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}
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}
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sub trim {
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my $s = shift;
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$s =~ s/\s+$//;
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$s =~ s/^\s+//;
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return $s;
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}
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sub file_input {
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my $lastline = "";
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my $case = " ";
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$map{$case} = "";
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while (<>) {
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my $line = $_;
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# Pattern line?
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if ($line =~ m/^([A-Z]):\s*(.*)/) {
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$line = $1 . ":\t" . trim($2) . "\n";
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if ($lastline eq "") {
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$map{$case} = $map{$case} . $line;
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next;
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}
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$case = trim($lastline);
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exists $map{$case} and die "Header '$case' already exists";
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$map{$case} = $line;
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$lastline = "";
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next;
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}
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if ($case eq " ") {
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$map{$case} = $map{$case} . $lastline;
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$lastline = $line;
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next;
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}
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trim($lastline) eq "" or die ("Odd non-pattern line '$lastline' for '$case'");
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$lastline = $line;
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}
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$map{$case} = $map{$case} . $lastline;
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}
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&file_input;
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&alpha_output;
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exit(0);
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