gpg: Sorry, we are in batchmode - can't get input

Question

I'm on macOS Catalina 10.15.6 I'm using gpg to sign a file

gpg --sign file.txt

But has error:

gpg: Sorry, we are in batchmode - can't get input

Answer 1

Check the ~/.gnupg/gpg.conf file (I use vim), delete the word batch

vi ~/.gnupg/gpg.conf

Press dd to delete a line, and u to undo. Press :wq to save changes.