why are these so slow to import?
Well, if you think about it when you use Pod::Usage it has to parse the source of your code, extract the POD and process the POD to present usage info - that will all take time. You can save this by postponing the load until/unless it is actually needed (most runs will never need it, of course). The other option is to use pod2usage out-of-band in advance and just copy the output of that into your code instead statically.
I find that Getopt::Std is much faster than Getopt::Long. Its reduced functionality may well be worth the trade-off for you.
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