Hello guru's

I want to read two files and match two keys and merge second key value to first key value.

File one

Bbbb,3333,4444

Cdd,3444,3444

Zddd,345,456

File two

Bbbb_rf1,23,45

Cdd_rf2,24.45

Zddd,34,456.4

I would make it

Bbbb,3333,4444,23,45

So I have created two hash of arrary

 open (P1, "< /tmp/p1");

 while (<PROJ>) {
        next unless s/^(.*?),\s*//;
        $pr1{$1} = [ split ];

}
[download]

 open (S1, "< /tmp/s1");
while (<S1>) {
        next unless s/^(.*?),\s*//;
        $si1{$1} = [ split ];
}

       for my $key1 (keys %pr1 ) {
                for my $key (keys %si1 ) {
        if (($pr1{$key1} = $sil{$key._ref1}) || $sil{$key})
                        print "$key: $key1\n";
[download]

I am stuck at comaparing, not sure how to go further and merge with first or new hash.Please help me.

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