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elmex |
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#!/opt/perl/bin/perl |
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# this file just merges all json files (which contain a hash) |
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# are given on the command line arguments together and will |
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# print them out on stdout. |
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# |
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# mergejsonhash /tmp/face.json /tmp/face2.json > /tmp/allface.json |
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use JSON::Syck; |
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my %merge; |
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for (@ARGV) { |
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open my $f, $_ or die "$_: $!"; |
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my $h = JSON::Syck::Load (do { local $/; <$f> }); |
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for (keys %$h) { |
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warn "key '$_' already present\n" if $merge{$_}; |
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$merge{$_} = $h->{$_}; |
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} |
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} |
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my $first = 1; |
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print "{"; |
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for (keys %merge) { |
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print "," unless $first; |
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$first = 0; |
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print "\n\"$_\":\"$merge{$_}\""; |
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} |
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print "\n}\n"; |
