#!/bin/sh
if [ -z "$1" ]; then
	echo usage: rotdir regex 2>&1
	exit 1;
fi

ed -s <<EOF
# Read in all files in the current dir
r !find "$PWD" -maxdepth 1
# Search all lines for regex, move to top
g/$1/m0
# Print all lines
,p
# Force quit
Q
EOF