Checking the length seems to be a waste. Just test the variable directly w/ a regexp. I might do something closer to: 
print (($day[5] =~ /^\d{2}:\d{2}:\d{2}$/) ? $day[5] : '00:00:00');

[download]
NB: TMTOWTDI. Code is untested. Regexp used may not be correct, but it's tough to tell without context.

In reply to Re: Null in Array by mpd
in thread Null in Array by Pyramid

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