#!/bin/bash
# pwd
let R=$RANDOM;
let FILECOUNT=`ls | wc -l`;
#echo "random" $R;
# echo "filecount:" $FILECOUNT;
if [ $FILECOUNT -eq 0 ]; then
        pwd
        fi

let FILECOUNT=$R%$FILECOUNT;
# echo $?
for i in $(ls); do
   if [ $FILECOUNT -gt 0 ]; then
      let FILECOUNT-=1;
   else
#     file $i >/dev/null
#      echo $i
      cd $i 2>/dev/null
      if [ $? -eq 0 ]; then
        $0;
      else
        echo `pwd`"/"$i
      fi
     exit;
   fi
done