Passphrase in Perl script?

[Marcus]

How do you send the passphrase (for symmetric encryption) in a Perl
script on Windows (or in DOS batch file)?
On Windows, pipes are not a (real) option, AFAIK, and I'm not sure you
can pass DOS *.* results to gpg?

I want to prompt the user for the passphrase once and then encrypt all
files given a certain pattern. I did this in Perl, and currently, the
user is prompted twice for every file.
What I'm missing is how to send the passphrase in a variable to gpg.

Thanks,

Marcus Friedlaender


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