Not airtight, but it will skip the POD.
my $in_pod=0;
my $argcount = scalar @ARGV;
while (<>) {
# deals with uncorrect POD left open at the end
# of the file
if ($argcount > scalar @ARGV) {
$in_pod=0;
$argcount--;
}
if ($in_pod) {
$in_pod = not /^=cut/;
} else {
$in_pod = /^=\w/;
}
next if $in_pod; # skip lines inside POD
$mod{$1}++ if /use\s+([A-Za-z_:]+);/;
}
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