| 1 | |
| 2 | |
| 3 |
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| 4 | use strict;
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| 5 | use Getopt::Long qw(:config no_auto_abbrev);
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| 6 |
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| 7 | my $input_file = "MAINTAINERS";
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| 8 | my $output_file = "MAINTAINERS.new";
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| 9 | my $output_section = "SECTION.new";
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| 10 | my $help = 0;
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| 11 | my $order = 0;
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| 12 | my $P = $0;
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| 13 |
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| 14 | if (!GetOptions(
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| 15 | 'input=s' => \$input_file,
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| 16 | 'output=s' => \$output_file,
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| 17 | 'section=s' => \$output_section,
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| 18 | 'order!' => \$order,
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| 19 | 'h|help|usage' => \$help,
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| 20 | )) {
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| 21 | die "$P: invalid argument - use --help if necessary\n";
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| 22 | }
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| 23 |
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| 24 | if ($help != 0) {
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| 25 | usage();
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| 26 | exit 0;
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| 27 | }
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| 28 |
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| 29 | sub usage {
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| 30 | print <<EOT;
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| 31 | usage: $P [options] <pattern matching regexes>
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| 32 |
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| 33 | --input => MAINTAINERS file to read (default: MAINTAINERS)
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| 34 | --output => sorted MAINTAINERS file to write (default: MAINTAINERS.new)
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| 35 | --section => new sorted MAINTAINERS file to write to (default: SECTION.new)
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| 36 | --order => Use the preferred section content output ordering (default: 0)
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| 37 | Preferred ordering of section output is:
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| 38 | M: Person acting as a maintainer
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| 39 | R: Person acting as a patch reviewer
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| 40 | L: Mailing list where patches should be sent
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| 41 | S: Maintenance status
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| 42 | W: URI for general information
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| 43 | Q: URI for patchwork tracking
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| 44 | B: URI for bug tracking/submission
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| 45 | C: URI for chat
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| 46 | P: URI or file for subsystem specific coding styles
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| 47 | T: SCM tree type and location
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| 48 | F: File and directory pattern
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| 49 | X: File and directory exclusion pattern
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| 50 | N: File glob
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| 51 | K: Keyword - patch content regex
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| 52 |
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| 53 | If <pattern match regexes> exist, then the sections that match the
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| 54 | regexes are not written to the output file but are written to the
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| 55 | section file.
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| 56 |
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| 57 | EOT
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| 58 | }
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| 59 |
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| 60 | |
| 61 | sub by_category($$) {
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| 62 | my ($a, $b) = @_;
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| 63 |
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| 64 | $a = uc $a;
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| 65 | $b = uc $b;
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| 66 |
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| 67 | |
| 68 | $a =~ s/THE REST/ZZZZZZ/g;
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| 69 | $b =~ s/THE REST/ZZZZZZ/g;
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| 70 |
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| 71 | return $a cmp $b;
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| 72 | }
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| 73 |
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| 74 | sub by_pattern($$) {
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| 75 | my ($a, $b) = @_;
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| 76 | my $preferred_order = 'MRLSWQBCPTFXNK';
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| 77 |
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| 78 | my $a1 = uc(substr($a, 0, 1));
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| 79 | my $b1 = uc(substr($b, 0, 1));
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| 80 |
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| 81 | my $a_index = index($preferred_order, $a1);
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| 82 | my $b_index = index($preferred_order, $b1);
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| 83 |
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| 84 | $a_index = 1000 if ($a_index == -1);
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| 85 | $b_index = 1000 if ($b_index == -1);
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| 86 |
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| 87 | if (($a1 =~ /^F$/ && $b1 =~ /^F$/) ||
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| 88 | ($a1 =~ /^X$/ && $b1 =~ /^X$/)) {
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| 89 | return $a cmp $b;
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| 90 | }
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| 91 |
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| 92 | if ($a_index < $b_index) {
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| 93 | return -1;
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| 94 | } elsif ($a_index == $b_index) {
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| 95 | return 0;
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| 96 | } else {
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| 97 | return 1;
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| 98 | }
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| 99 | }
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| 100 |
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| 101 | sub trim {
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| 102 | my $s = shift;
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| 103 | $s =~ s/\s+$//;
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| 104 | $s =~ s/^\s+//;
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| 105 | return $s;
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| 106 | }
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| 107 |
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| 108 | sub alpha_output {
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| 109 | my ($hashref, $filename) = (@_);
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| 110 |
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| 111 | return if ! scalar(keys %$hashref);
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| 112 |
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| 113 | open(my $file, '>', "$filename") or die "$P: $filename: open failed - $!\n";
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| 114 | my $separator;
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| 115 | foreach my $key (sort by_category keys %$hashref) {
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| 116 | if ($key eq " ") {
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| 117 | print $file $$hashref{$key};
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| 118 | } else {
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| 119 | if (! defined $separator) {
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| 120 | $separator = "\n";
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| 121 | } else {
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| 122 | print $file $separator;
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| 123 | }
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| 124 | print $file $key . "\n";
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| 125 | if ($order) {
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| 126 | foreach my $pattern (sort by_pattern split('\n', %$hashref{$key})) {
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| 127 | print $file ($pattern . "\n");
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| 128 | }
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| 129 | } else {
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| 130 | foreach my $pattern (split('\n', %$hashref{$key})) {
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| 131 | print $file ($pattern . "\n");
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| 132 | }
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| 133 | }
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| 134 | }
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| 135 | }
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| 136 | close($file);
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| 137 | }
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| 138 |
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| 139 | sub file_input {
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| 140 | my ($hashref, $filename) = (@_);
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| 141 |
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| 142 | my $lastline = "";
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| 143 | my $case = " ";
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| 144 | $$hashref{$case} = "";
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| 145 |
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| 146 | open(my $file, '<', "$filename") or die "$P: $filename: open failed - $!\n";
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| 147 |
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| 148 | while (<$file>) {
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| 149 | my $line = $_;
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| 150 |
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| 151 | |
| 152 | if ($line =~ m/^([A-Z]):\s*(.*)/) {
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| 153 | $line = $1 . ":\t" . trim($2) . "\n";
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| 154 | if ($lastline eq "") {
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| 155 | $$hashref{$case} = $$hashref{$case} . $line;
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| 156 | next;
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| 157 | }
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| 158 | $case = trim($lastline);
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| 159 | exists $$hashref{$case} and die "Header '$case' already exists";
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| 160 | $$hashref{$case} = $line;
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| 161 | $lastline = "";
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| 162 | next;
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| 163 | }
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| 164 |
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| 165 | if ($case eq " ") {
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| 166 | $$hashref{$case} = $$hashref{$case} . $lastline;
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| 167 | $lastline = $line;
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| 168 | next;
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| 169 | }
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| 170 | trim($lastline) eq "" or die ("Odd non-pattern line '$lastline' for '$case'");
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| 171 | $lastline = $line;
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| 172 | }
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| 173 | $$hashref{$case} = $$hashref{$case} . $lastline;
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| 174 | close($file);
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| 175 | }
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| 176 |
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| 177 | my %hash;
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| 178 | my %new_hash;
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| 179 |
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| 180 | file_input(\%hash, $input_file);
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| 181 |
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| 182 | foreach my $type (@ARGV) {
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| 183 | foreach my $key (keys %hash) {
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| 184 | if ($key =~ /$type/ || $hash{$key} =~ /$type/) {
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| 185 | $new_hash{$key} = $hash{$key};
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| 186 | delete $hash{$key};
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| 187 | }
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| 188 | }
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| 189 | }
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| 190 |
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| 191 | alpha_output(\%hash, $output_file);
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| 192 | alpha_output(\%new_hash, $output_section);
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| 193 |
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| 194 | exit(0);
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