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may as well set this, if a command is being used
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I think
downloadcmd
can be removed and just be a local variable.However this is unrelated to the changes in this PR. Let's save this for a separate PR
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Not sure on a good way to avoid the global here?
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you're changing the download function to shell out to something, the value of what you're shelling out to should be saved in the global that exists for that purpose