| 1 | |
| 2 |
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| 3 | use strict;
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| 4 |
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| 5 | my $P = $0;
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| 6 |
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| 7 | |
| 8 | sub by_category($$) {
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| 9 | my ($a, $b) = @_;
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| 10 |
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| 11 | $a = uc $a;
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| 12 | $b = uc $b;
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| 13 |
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| 14 | |
| 15 | $a =~ s/THE REST/ZZZZZZ/g;
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| 16 | $b =~ s/THE REST/ZZZZZZ/g;
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| 17 |
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| 18 | return $a cmp $b;
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| 19 | }
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| 20 |
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| 21 | sub by_pattern($$) {
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| 22 | my ($a, $b) = @_;
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| 23 | my $preferred_order = 'MRPLSWTQBCFXNK';
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| 24 |
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| 25 | my $a1 = uc(substr($a, 0, 1));
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| 26 | my $b1 = uc(substr($b, 0, 1));
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| 27 |
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| 28 | my $a_index = index($preferred_order, $a1);
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| 29 | my $b_index = index($preferred_order, $b1);
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| 30 |
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| 31 | $a_index = 1000 if ($a_index == -1);
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| 32 | $b_index = 1000 if ($b_index == -1);
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| 33 |
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| 34 | if (($a1 =~ /^F$/ && $b1 =~ /^F$/) ||
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| 35 | ($a1 =~ /^X$/ && $b1 =~ /^X$/)) {
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| 36 | return $a cmp $b;
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| 37 | }
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| 38 |
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| 39 | if ($a_index < $b_index) {
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| 40 | return -1;
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| 41 | } elsif ($a_index == $b_index) {
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| 42 | return 0;
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| 43 | } else {
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| 44 | return 1;
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| 45 | }
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| 46 | }
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| 47 |
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| 48 | sub trim {
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| 49 | my $s = shift;
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| 50 | $s =~ s/\s+$//;
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| 51 | $s =~ s/^\s+//;
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| 52 | return $s;
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| 53 | }
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| 54 |
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| 55 | sub alpha_output {
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| 56 | my ($hashref, $filename) = (@_);
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| 57 |
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| 58 | open(my $file, '>', "$filename") or die "$P: $filename: open failed - $!\n";
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| 59 | foreach my $key (sort by_category keys %$hashref) {
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| 60 | if ($key eq " ") {
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| 61 | chomp $$hashref{$key};
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| 62 | print $file $$hashref{$key};
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| 63 | } else {
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| 64 | print $file "\n" . $key . "\n";
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| 65 | foreach my $pattern (sort by_pattern split('\n', %$hashref{$key})) {
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| 66 | print $file ($pattern . "\n");
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| 67 | }
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| 68 | }
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| 69 | }
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| 70 | close($file);
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| 71 | }
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| 72 |
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| 73 | sub file_input {
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| 74 | my ($hashref, $filename) = (@_);
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| 75 |
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| 76 | my $lastline = "";
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| 77 | my $case = " ";
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| 78 | $$hashref{$case} = "";
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| 79 |
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| 80 | open(my $file, '<', "$filename") or die "$P: $filename: open failed - $!\n";
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| 81 |
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| 82 | while (<$file>) {
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| 83 | my $line = $_;
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| 84 |
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| 85 | |
| 86 | if ($line =~ m/^([A-Z]):\s*(.*)/) {
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| 87 | $line = $1 . ":\t" . trim($2) . "\n";
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| 88 | if ($lastline eq "") {
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| 89 | $$hashref{$case} = $$hashref{$case} . $line;
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| 90 | next;
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| 91 | }
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| 92 | $case = trim($lastline);
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| 93 | exists $$hashref{$case} and die "Header '$case' already exists";
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| 94 | $$hashref{$case} = $line;
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| 95 | $lastline = "";
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| 96 | next;
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| 97 | }
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| 98 |
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| 99 | if ($case eq " ") {
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| 100 | $$hashref{$case} = $$hashref{$case} . $lastline;
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| 101 | $lastline = $line;
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| 102 | next;
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| 103 | }
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| 104 | trim($lastline) eq "" or die ("Odd non-pattern line '$lastline' for '$case'");
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| 105 | $lastline = $line;
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| 106 | }
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| 107 | $$hashref{$case} = $$hashref{$case} . $lastline;
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| 108 | close($file);
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| 109 | }
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| 110 |
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| 111 | my %hash;
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| 112 | my %new_hash;
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| 113 |
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| 114 | file_input(\%hash, "MAINTAINERS");
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| 115 |
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| 116 | foreach my $type (@ARGV) {
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| 117 | foreach my $key (keys %hash) {
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| 118 | if ($key =~ /$type/ || $hash{$key} =~ /$type/) {
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| 119 | $new_hash{$key} = $hash{$key};
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| 120 | delete $hash{$key};
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| 121 | }
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| 122 | }
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| 123 | }
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| 124 |
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| 125 | alpha_output(\%hash, "MAINTAINERS.new");
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| 126 | alpha_output(\%new_hash, "SECTION.new");
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| 127 |
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| 128 | exit(0);
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