#!/bin/bash

# Reverse Find: Recurse upward from CWD to root and list any files matching.

if [ $# -eq 0 ]; then
  echo "Usage: revfind [-d dir] <filename>"
  exit 1
fi

if [ $1 == '-d' ]; then
  shift
  START_WD=`pwd`
  cd $1
	shift
fi;

FILENAME="$1"
while [ true ];
do
  pwd=`pwd`
  [ -e $FILENAME ] && echo $pwd`[ ! "$pwd" == '/' ] && echo '/'`$FILENAME
  [ "$pwd" == '/' ] && break
  cd ..
done

[ -n $START_WD ] && cd "${START_WD}"