Add script to invoke random editor

e

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+set -e
+
+editors=""
+
+for editor in ed nex nvi vim; do
+	if command -v "$editor" >/dev/null; then
+		if test -z "$editors"; then
+			editors="$editor"
+		else
+			editors="$editors\n$editor"
+		fi
+
+	fi
+done
+
+random_editor="$(echo "$editors" | shuf | head -n 1)"
+
+$random_editor "$@"