#!/bin/sh
[ -z "$1" ] && echo "usage: rotdir regex 2>&1" && exit 1
base="$(basename $1)"
 ls "$PWD" | awk "BEGIN { lines = \"\"; m = 0; } /^$base$/ { m = 1; } { if (!m) { if (lines) { lines = lines\"\n\"; } lines = lines\"\"\$0; } else { print \$0; } } END { print lines; }"