/[webpac]/trunk/filter/isn_swish.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 20 by dpavlin, Sat Feb 22 23:49:22 2003 UTC revision 42 by dpavlin, Sat Mar 15 21:48:48 2003 UTC
# Line 2  Line 2 
2    
3  # example filter to convert ISBN and ISSN to hyphen and non-hyphen version  # example filter to convert ISBN and ISSN to hyphen and non-hyphen version
4    
5  sub filter {  sub isn_swish {
6          my @out;          my @out;
7          foreach my $nr1 (@_) {          foreach my $nr1 (@_) {
8                  push @out,$nr1; # save original                  push @out,$nr1; # save original
9                  my $nr2 = $nr1;                  $nr1 =~ s/\-//g;
10                  $nr2 =~ s/\-//g;                  push @out,$nr1; # save version without hyphens
                 push @out,$nr2; # save version without hyphens  
11          }          }
12          return @out;          return @out;
13  }  }
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