Adds GPG helper functions; Cleans index.sh

functions/gpg_functions.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env zsh
+
+function gpg-encrypt-dir() {
+    dirname=$1
+    tar -cz "$dirname" | gpg --symmetric --output "$dirname.tar.gz.gpg"
+}
+
+
+function gpg-decrypt-dir() {
+    dirname=$1
+    outdir=${dirname%.tar.gz.gpg}
+
+    if [ -d "$outdir" ]; then
+        echo "Output directory, $outdir, already exists and will be overwritten by this command. Aborting..."
+        exit 1
+    else
+        gpg --decrypt $dirname | tar -xv
+    fi
+
+}