Re: Array problems.

Others have pointed out the problem, but since you are comparing strings, eq is preferable to == (perlop)

        if ( $chemical eq $periodicTable[$i][1] ) {
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Also, consider using a hash for your table because it facilitates look-up.

UPDATE: CPAN is a handy resource: Chemistry::Elements

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Re^2: Array problems. by Discipulus (Canon) on Oct 28, 2014 at 13:12 UTC
yes i was to fast and i thought was the number.. Obviously you are rigth. There are no rules, there are no thumbs.. Reinvent the wheel, then learn The Wheel; may be one day you reinvent one of THE WHEELS.	[reply] [d/l]