Easily encrypt/decrypt and secure delete plaintext files using GPG (GNU Privacy Guard / OpenPGP) on OS X

decrypt.sh

#!/bin/bash

if test -z "$1"
then
	echo "usage: decrypt <filename>"
else
	gpg -q --decrypt $1
fi

encrypt.sh

#!/bin/bash

RECIPIENT="[email protected]"

if test -z "$1"
then
	echo "usage: encrypt <filename>"
else
	echo "Encrypting for $RECIPIENT..."
	gpg --recipient $RECIPIENT --encrypt $1
	rc=$?; if [[ $rc != 0 ]]; then echo "ERROR: failed to encrypt"; exit $rc; fi
	echo "Complete."
	echo "Securely deleting plaintext version..."
	srm $1
	echo "Complete!"
fi