libbiblio-thesaurus-perl 0.43-1 / usr / bin / tax2thesaurus

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#!/usr/bin/perl -s

eval 'exec /usr/bin/perl -s -S $0 ${1+"$@"}'
    if 0; # not running under some shell

use strict;
my @tab=(-1);
my @ant=("_top");
my $ind;
my $inda=0;

binmode(STDOUT,":utf8");
@ARGV = ("-") unless @ARGV;
for my $file (@ARGV){
 open(F,$file) or die("cant open $file\n");
 print "%enc utf8\n\n";
 while(<F>){ chomp;
   if(/%enc(oding)?\s+(latin1)/){next}
   if(/%enc(oding)?\s+(utf8)/i) {binmode(F,":utf8");next}
   my $termo;
   next unless /\w/;
   if(/^([ .-]*)(\S.*)/){
      $termo = $2;
      $ind = length($1);
##      print STDERR "Deb: $_($termo/$ind)\n";
      if ($ind <= $inda) { 
        while(@tab and $ind <= $tab[-1]){ pop(@tab); pop(@ant);}
      }
      push (@tab,$ind); 
      push (@ant,$termo);
      print "\n$termo\nBT  ",$ant[-2] ||"?","\n#lev ", @ant -1,"\n";
      $inda = $ind;
   }
 }
 close F;
}


__END__

=head1 NAME

tax2thesaurus - indented taxonomy to thesaurus

=head1 SYNOPSIS

 tax2thesaurus file.tax > file.the

=head1 DESCRIPTION

A top term C<_top> is added to the taxonomy.

=head2 example of the taxonomy format

 science
   physics
      dynamics
   math
      algebra
      trignometry
 literature

=head2 Correspondent output

 science
 BT  _top
 #lev 1
 
 physics
 BT  science
 #lev 2
 
 dynamics
 BT  physics
 #lev 3
 
 math
 BT  science
 #lev 2
 
 algebra
 BT  math
 #lev 3
 
 trignometry
 BT  math
 #lev 3
 
 literature
 BT  _top
 #lev 1
 
=head1 AUTHOR

J.Joao Almeida, jj@di.uminho.pt

=head1 SEE ALSO

perl(1).

=cut      

__END__

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