I think your posted code will not follow the posted spec. The posted lines contain additional whitespace, so my ($number,$article) = split /\s+/, $line will yield 
$number = 261293
$article = 'snow

[download]
as opposed to split /\t/, $line, which would yield 
$number = 261293
$article = 'snow > equipment > helmets'

[download]
Update: Parent code updated

#11929 First ask yourself `How would I do this without a computer?' Then have the computer do it the same way.

In reply to Re^4: ignore duplicates and show unique values between 2 text files by kennethk
in thread ignore duplicates and show unique values between 2 text files by perlnoobster

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