Those are needlessly complicated. You're replicating functions inet_aton and inet_ntoa of the core module Socket:
use Socket qw( inet_aton inet_ntoa );
sub DottedQuadToLong {
# Accepts triton.littlefish.ca
# Accepts 24.72.30.83
# Accepts 407379539
# etc
return unpack('N', inet_aton(shift));
}
sub LongToDottedQuad {
return inet_ntoa(pack('N', shift));
}
Here are alternatives that only use pack and unpack (but only accept addresses of the form a.b.c.d):
sub DottedQuadToLong {
return unpack('N', (pack 'C4', split(/\./, shift)));
}
sub LongToDottedQuad {
return join('.', unpack('C4', pack('N', shift)));
}
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