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package Devel::Memalyzer::Combine; |
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1044
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use strict; |
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4
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1
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42
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3
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1
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use warnings; |
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1
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38
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4
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5
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1
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1
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15
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use IO qw/Handle File Pipe/; |
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1
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2
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1
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17
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6
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7
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our @EXPORT_OK = qw/combine/; |
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1
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740
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use base 'Exporter'; |
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2
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1
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649
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9
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10
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sub combine { |
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1
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1
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1
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1731
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my ( $dest, %specs ) = @_; |
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1
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50
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16
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die( "No headers found" ) |
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unless -e "$dest.head"; |
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1
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50
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11
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die( "No data found" ) |
15
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unless -e "$dest.raw"; |
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17
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1
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50
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40
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open( my $header_file, '<', "$dest.head" ) || die( "header error: $!" ); |
18
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1
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50
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25
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open( my $data_file, '<', "$dest.raw" ) || die( "data error: $!" ); |
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1
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50
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75
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open( my $out_file, '>', $dest ) || die( "output file error: $!" ); |
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1
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28
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my @header_lines = <$header_file>; |
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1
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4
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chomp( @header_lines ); |
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1
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3
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my @header_sets = map {[split(',', $_ )]} @header_lines; |
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4
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13
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24
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1
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5
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my @headers = merge_headers( @header_sets ); |
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1
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15
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print $out_file join(',', @headers) . "\n"; |
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1
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3
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my $header_set = shift @header_sets; |
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1
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18
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while( my $line = <$data_file> ) { |
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15
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100
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23
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if ( $line eq "\n" ) { |
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3
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4
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$header_set = shift @header_sets; |
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3
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13
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next; |
32
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} |
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12
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11
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chomp( $line ); |
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12
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my @data = split( ',', $line ); |
35
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12
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24
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my %data_hash = map {( $header_set->[$_] => $data[$_] )} 0 .. (@data - 1); |
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43
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77
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36
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12
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100
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31
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print $out_file join(',', map { $_ || '' } @data_hash{@headers}) . "\n"; |
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84
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220
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37
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} |
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39
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1
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59
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close( $out_file ); |
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1
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10
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close( $header_file ); |
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1
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10
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close( $data_file ); |
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1
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50
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5
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unless( $specs{ keep_files }) { |
43
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1
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48
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unlink( "$dest.head" ); |
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1
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42
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unlink( "$dest.raw" ); |
45
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} |
46
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} |
47
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48
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sub merge_headers { |
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1
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1
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0
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2
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my %seen = map {( map {( $_ => 1 )} @$_ )} @_; |
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4
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11
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11
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16
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50
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1
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11
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return reverse sort keys %seen; |
51
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} |
52
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53
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1; |
54
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55
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__END__ |