From ca8955bc35e0774b20c316d2109eaf2be00c435c Mon Sep 17 00:00:00 2001
From: Aaron LI <aly@aaronly.me>
Date: Wed, 23 May 2018 20:08:28 +0800
Subject: Update cli/gpg-aes256.sh

---
 cli/gpg-aes256.sh | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

(limited to 'cli')

diff --git a/cli/gpg-aes256.sh b/cli/gpg-aes256.sh
index 9ce610b..988a85a 100755
--- a/cli/gpg-aes256.sh
+++ b/cli/gpg-aes256.sh
@@ -1,9 +1,8 @@
 #!/bin/sh
 #
-# Encrypt the given file using symmetric AES256 algorithm.
+# Copyright (c) 2015,2018 Aaron LI
 #
-# Aaron LI
-# 2015-01-24
+# Encrypt a file using GPG with symmetric AES256 algorithm.
 #
 
 case "$1" in
@@ -13,7 +12,17 @@ case "$1" in
         ;;
 esac
 
+if which gpg2 >/dev/null 2>&1; then
+    GPG=gpg2
+elif which gpg >/dev/null 2>&1; then
+    GPG=gpg
+else
+    echo "ERROR: cannot find gpg/gpg2!"
+    exit 2
+fi
+
 infile="$1"
 outfile="${infile}.gpg"
-gpg2 --symmetric --cipher-algo aes256 -o "${outfile}" "${infile}"
+${GPG} --symmetric --cipher-algo aes256 -o "${outfile}" "${infile}"
 chmod 0600 "${outfile}"
+echo "Encrypted file saved to: ${outfile}"
-- 
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