add exec test script

test/exec.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+host="home.schottelius.org"
+
+pcmd()
+{
+   if [ "$host" ]; then
+      ssh "$host" "$@"
+   else
+      "$@"
+   fi
+}
+
+pcmd ls /
+pcmd cd /; ls "/is not there"