23 lines
558 B
Perl
23 lines
558 B
Perl
#!/usr/bin/perl -w
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use JSON;
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opendir(my $dh, "/sys/block") or die "Couldn't open /sys/block: $!";
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my @blocks = grep { $_ !~ m/^\./ } readdir($dh);
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closedir($dh);
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my $json;
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@{$json->{data}} = ();
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foreach my $block (@blocks){
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my $size = 1;
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if ( -e "/sys/block/$block/size"){
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open SIZE, "/sys/block/$block/size";
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$size = join "", <SIZE>;
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close SIZE;
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chomp($size);
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next if ($size eq '0');
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}
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push @{$json->{data}}, { "{#BLOCKDEVICE}" => $block, "{#BLOCKSIZE}" => $size };
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}
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print to_json($json);
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exit(0);
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