How can I have gpg pause to receive its passphrase, before it starts outputing decrypt to stdout?

[Jacob Bachmeyer]

Bee via Gnupg-users wrote:
>> However if you known the passphrase, you can pass it to gpg directly using --passphrase-file and --pinentry-mode=loopback.
>>     
> I figured, but am trying to avoid having the passphrase land on disk at all.
>   

Could you set up a RAM disk for this?  (I think Windows still has those, 
but it has been a few years since I have used Windows any significant 
amount.)


-- Jacob