Try:
my $fileHandle; #Closes for you when it goes out of scope!
open $fileHandle, '>', $fileName or die "Can't open $fileName: $!\n";
writeFancyLogging($fileHandle, "Loggin' some stuff to a file");
sub writeFancyLogging
{
my $file = shift;
my $msg = shift;
print $file $msg . "\n";
}
3-arg open is nicer and safer, using the variable twice solves the warning, and by my'ing it, you can pass it around and have it go out of scope.
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