if($fileAgeInDays = $yesterday)

##</code><code>##

my($fileAgeInDays) = ((time() - (stat($eachFile))[9]) / 24 / 60 / 60);

##</code><code>##

my($fileAgeInDays) = ((time() - (stat($eachFile))[9]) / 24 / 60 / 60);