Why reading the FAQs is good (example)

So I was commenting some code I wrote for a friend who's new to perl and I came across the following in my code: $in{hours} =~ s/\./999999999/; if ($in{hours} =~ /\D/) { push @missing,'Hours contains non-numerical data'; $missing = 1; } $in{hours}=~s/999999999/\./; And I realized I've been too lazy with this for too long. So my first