added pick wrapper to pick and execute an executable

diff --git a/bin/pickexec b/bin/pickexec
new file mode 100755 (executable)
index 0000000..2bebba7
--- /dev/null
+++ b/bin/pickexec
@@ -0,0 +1,6 @@
+#!/bin/sh
+IFS=:
+bin="$(for p in $PATH; do
+  printf "%s\n" "$p"/*
+done | pick)"
+[ "" != "$bin" ] && "$bin"