So you have a file that was probably created with something like
gzip -c file.txt|gpg>file.txt.gpg
(I've omitted the gpg options for accepting stdin and writing to stdout)
So it is text compressed with gzip encrypted with gpg.
To read that, you need to unravel everything in the reverse order of its creation:
filename reader pipe "gpg --decrypt &PATH.\Rawdata\Test3.txt.gpg|gzip -dc";
So the decrypted stream is fed to gzip, which is told by the parameters to decompress and write to standard output; since no filename is given, gzip will read from stdin and therefore the pipe from gpg.
An alternative would be to decrypt to a file first, and then read that with filename zip with the gzip option.
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