$input=~ tr/\"//;
    $input=~ tr/\'//;

[download]

You are replacing the " character with itself and the ' character with itself. If you want to delete characters you have to use the /d option: 

    $input=~ tr/"//d;
    $input=~ tr/'//d;

[download]

In reply to Re: Uninitialized value in concatenation by jwkrahn
in thread Uninitialized value in concatenation by eiglesias

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