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      #!/usr/bin/perl
 
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      use strict;
 
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      use warnings;
 
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      open my $fh, '<', $ARGV[0];
 
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      my @lines = <$fh>;
 
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      close $fh;
 
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      my $iDIW;
 
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      for (my $i=0; $i < @lines ; $i++) {
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        if ($lines[$i] =~ /^\s+distance_in_words:$/) {
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          $iDIW= $i;
 
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          last;
 
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        }
 
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      }
 
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      die unless $iDIW;
 
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      open $fh, '>', 'lang/'.$ARGV[0];
 
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      for (my $i=0; $i < $iDIW ; $i++) {
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        print $fh $lines[$i];
 
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      }
 
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      foreach my $x ('x_hours', 'x_days') {
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        my ($start, $end, $c);
 
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        for (my $i=$iDIW; $i < @lines ; $i++) {
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          my $line= $lines[$i];
 
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          if ($line =~ /^\s+($x:)$/) {
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            #print "$x $i\n";
 
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            $start= $i;
 
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            $c= $-[1]+1;
 
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            #print "$x $i $c\n";
 
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          } elsif ($start and substr($line, 0, $c) =~ /[^\s]/) {
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            $end= $i;
 
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            #print "$ARGV[0] $x $start $end\n";
 
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            for (my $i=$start; $i < $end ; $i++) {
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              (my $line= $lines[$i]) =~ s/^  //;
 
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              print $fh $line;
 
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            }
 
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            last;
 
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          }
 
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        }
 
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        die unless $end;
 
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      }
 
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      for (my $i=$iDIW; $i < @lines ; $i++) {
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        print $fh $lines[$i];
 
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      }
 
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      close $fh;
 
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