chg: use authcode file located in HOME dir.

Signed-off-by: Me <corbolais@gmail.com>

AAXtoMP3

@@ -5,6 +5,7 @@ set -o errexit -o noclobber -o nounset -o pipefail
 codec=libmp3lame
 extension=mp3
 mode=chaptered
+authcodeFile="${HOME}/.authcode";
 GREP=$(grep --version | grep -q GNU && echo "grep" || echo "ggrep")
 
 if ! [[ $(type -P "$GREP") ]]; then
@@ -47,11 +48,11 @@ then
     shift
 fi
 
-if [ ! -f .authcode ]; then
+if [ ! -f "$authcodeFile" ]; then
     auth_code=$1
     shift
 else
-    auth_code=`head -1 .authcode`
+    auth_code=`head -1 "$authcodeFile"`
 fi
 
 debug() {