@id = sort { 
    ( my $a_ = $a ) =~ s/=.*//s;
    ( my $b_ = $b ) =~ s/=.*//s;
    $lid->{$a_} cmp $lid->{$b_}
} @id;

[download]

Update: Oops, added missing underscores as per Re^5: How do I sort an array by hash value?

In reply to Re^3: How do I sort an array by hash value? by ikegami
in thread How do I sort an array by hash value? by josh097

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