76 lines
1.4 KiB
Perl
Executable File
76 lines
1.4 KiB
Perl
Executable File
#!/usr/bin/perl
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# Copyright (c) 1996 Wolfram Schneider <wosch@FreeBSD.org>. Berlin.
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#
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# xrs - detect unsorted cross references in section SEE ALSO
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#
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# Cross references in the SEE ALSO section should
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# be sorted by section number, and then placed in alphabetical
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# order and comma separated. For example:
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#
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# ls(1), ps(1), group(5), passwd(5).
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#
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# The last entry may be finished with a dot `.'
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#
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# or a source example:.
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# .Sh SEE ALSO
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# .Xr foo 1 ,
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# .Xr bla 2 ,
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# .Xr foobar 8
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# .Sh HISTORY
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#
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# usage: xrs manpages ...
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#
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# $Id$
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sub mysort {
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local(@c) = split($",$a);
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local(@d) = split($",$b);
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local($ret) = ($c[2] <=> $d[2]);
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return $ret if $ret;
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return $c[1] cmp $d[1];
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}
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sub compare {
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local(*a, *b) = @_;
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return 1 if ($#a != $#b);
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for($i = 0; $i <= $#a; $i++) {
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return 1 if
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$a[$i] ne $b[$i];
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}
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for ($i = 0; $i < $#a; $i++) {
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return 1 if $a[$i] !~ /\s,\s*$/;
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}
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return 1 if $a[$#a] =~ /\s,\s*$/;
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return 1 if $a[$#a] =~ /^.Xr\s+\S+\s+\S+\s+[^.]$/;
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return 0;
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}
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while(<>) {
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if (/^\.Sh\s/ && /SEE\s+ALSO/) {
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$file = $ARGV;
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@a = ();
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while(<>) {
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if (!/^\.(Xr|Fn)\s/) {
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if (!/^\.(Sh|Rs|\\"|Pp|br)\s*/ && !/^\s*$/) {
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warn "Oops: $ARGV $_";
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}
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last;
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}
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push(@a, $_);
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}
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@b = sort mysort @a;
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if (&compare(*a,*b)) {
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print "$file\n";
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#print "@a\n@b\n";
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}
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}
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last if eof();
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}
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