回答編集履歴
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ソース添付
test
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@@ -3,3 +3,97 @@
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そのご、Algorithm::Diff を使用して比較
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差分のCSVを JSONに変換
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```perl
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use Algorithm::Diff qw(diff);
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use Data::Dumper;
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use JSON;
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my $json_A = '[{"id" : "1", "name" : "one", "age" : "18", "sex" : "m"}, {"id" : "2", "name" : "two", "age" : "20", "sex" : "f"}, {"id" : "6", "name" : "six", "age" : "5", "sex" : "f"}]';
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my $data_A = decode_json($json_A);
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my @line_A = ();
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foreach my $item ( @$data_A ){
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my @csv = ( $$item{'id'}, $$item{'name'}, $$item{'age'}, $$item{'sex'});
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push @line_A, join( ',', @csv);
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}
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my $json_B = '[{"id" : "2", "name" : "two", "age" : "20"}, {"id" : "1", "name" : "one", "age" : "18", "sex" : "m"}, {"id" : "3", "name" : "three", "age" : "60", "sex" : "m"}]';
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my $data_B = decode_json($json_B);
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my @line_B = ();
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foreach my $item ( @$data_B ){
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my @csv = ( $$item{'id'}, $$item{'name'}, $$item{'age'}, $$item{'sex'});
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push @line_B, join( ',', @csv);
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}
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@sort_line_A = sort {$a <=> $b} @line_A;
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@sort_line_B = sort {$a <=> $b} @line_B;
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@diffs = diff( \@sort_line_A, \@sort_line_B );
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@out_json = ();
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for my $dline ( @diffs ) {
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for my $d ( @$dline ) {
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if ( $d->[0] eq "+" ){
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#print $d->[0] . "\t" . $d->[2] . "--\n";
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my @jdata = split( ',', $d->[2]);
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my %item = ();
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$item{'id'} = @jdata[0] if ( @jdata[0] );
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$item{'name'} = @jdata[1] if ( @jdata[1] );
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$item{'age'} = @jdata[2] if ( @jdata[2] );
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$item{'sex'} = @jdata[3] if ( @jdata[3] );
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push @out_json, \%item;
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}
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}
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}
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print encode_json( \@out_json ) . "\n";
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```
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