Shell Programming and Scripting

#!/bin/bash 
#Check for number of parametersd 
if [ $# -ne 1 ]; then 
  echo "USAGE: $0 path" 
  exit 0 
fi 
#Go through all directories 
for directory in $`ls $1 -R | grep -e ":$" | sed -e "s/://g"` do 
  line=0 
  filename="" 
  fileinfo="" 
  #Get information for the file that was most recently modified 
  for entry in $(ls $directory -lt | grep -e "-"); do 
    if [ $line -gt 8 ]; then  
      break 
    fi 
    if [ $line -gt 4 ]; then 
      if [ $line -lt 8 ]; then 
        fileinfo="$fileinfo $entry" 
      fi 
    fi 
    if [ $line -eq 8 ]; then 
      filename=$entry 
    fi 
    let line=line+1 
  done 
  if [ "$filename" != "" ]; then 
    s=`find $1 -newer $directory/$filename` 
    if [ "$s" = "" ]; then 
      echo "$directory/$filename $fileinfo" 
      exit 0 
    fi 
  fi 
done 
echo "No files found."