#!/bin/sh
file="${1}"

# basename is broken in unxutils
basename() {
	local d="`dirname "$1"`"
	echo "${1#$d?}"
}

d=`dirname "$file"`
b=`basename "$file"`
#stem="${b%.*}"
c="$d/.$b.c"
cc="$d/.$b.cc"
if [ ! -e "$c" -a -e "$cc" ]; then
	c="$cc"
fi

log="$d/.$b.log"
if [ ! -e "$log" ]; then
	if [ -e "$d/bk.log" ]; then
		log="$d/bk.log"
	elif [ -e "bk.log" ]; then
		log="bk.log"
	fi
fi

exec "${EDITOR:-vi}" -o "$c" "$file" "$log"