/[webpac]/branches/drustvene/hash_sf.pm
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trunk/isis_sf.pm revision 622 by dpavlin, Sat Jan 1 19:01:55 2005 UTC trunk/hash_sf.pm revision 678 by dpavlin, Sun Feb 27 23:07:35 2005 UTC
# Line 1  Line 1 
1  #  #
2  # isis_sf($isis_row,'isis_field'[,'subfield'])  # hash_sf($row_data,'field'[,'subfield'])
3  #  #
4  # e.g. isis_sf($row,'700','a')  # e.g. hash_sf($row,'700','a')
5  #  #
6  sub isis_sf {  sub hash_sf {
7          my $row = shift @_;          my $row = shift @_;
8          my $isis_id = shift @_;          my $field = shift @_;
9          my $subfield = shift @_;          my $subfield = shift @_;
10    
11          my $i = shift @_ || 0;          my $i = shift @_ || 0;
12    
13          my $out;          my $out;
14    
15          if ($row->{$isis_id}->[$i]) {          if ($row->{$field}->[$i]) {
16                  if (! $subfield) {                  if (! $subfield) {
17                          # subfield list undef, empty or no defined subfields for this record                          # subfield list undef, empty or no defined subfields for this record
18                          my $all_sf = $row->{record}->{$isis_id}->[$i];                          my $all_sf = $row->{record}->{$field}->[$i] || confess "can't find field $field:$i",Dumper($row);
19                          $all_sf =~ s/\^./ /g;   # nuke definitions                          $all_sf =~ s/[\^\$]./ /g;   # nuke definitions
20                          return $all_sf;                          return $all_sf;
21                  }                  }
22                  my $sf = $row->{$isis_id}->[$i]->{$subfield};                  my $sf = $row->{$field}->[$i]->{$subfield};
23                  return $sf if ($sf);                  return $sf if ($sf);
24          }          }
25  }  }

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