Nice solution; ++tye.

Changing 

        $len= length( ( $dif =~ /^(\0+)/ )[0] );

[download]
to 
        $len= length( ( $dif =~ /^(\0+)/ )[0] || '' );

[download]
will make it run quiet under warnings when the common prefix is the empty string. 

-sauoq
"My two cents aren't worth a dime.";

In reply to Re: Re: Find common prefix from a list of strings (tye) by sauoq
in thread Find common prefix from a list of strings by Albannach

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