Add Bash Safe Parent Dir

Schnippet to safely get the parent directory of a Bash script.

bash_parent_dir.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+# Get the parent dir to the one this script is located in.
+base_dir=$(dirname -- "$(dirname -- "$(realpath -- "${0}")")")
+
+echo "${base_dir}"