fileinfo1

linux脚本编程的例子

function finfo
{
  if [ ! -e "$1" ]; then
      echo "file $1 does not exist."
      exit 1
  fi
  if [ -d "$1" ]; then
      echo -n "$1 is a directory that you may "
      if [ ! -x "$1" ]; then
          echo -n-n "not "
      fi
      echo "search."
  elif [ -f "$1" ]; then
      echo "$1 is a regular file."
  else
      echo "$1 is a special type of file."
  fi
  if [ -O "$1" ]; then
      echo 'you own the file.'
  else
      echo 'you do not own the file.'
  fi
  if [ -r "$1" ]; then
      echo 'you have read permission on the file.'
  fi
  if [ -w "$1" ]; then
      echo 'you have write permission on the file.'
  fi
  if [ -x "$1" -a ! -d "$1" ]; then
      echo 'you have execute permission on the file.'
  fi
}

for filename in "$@" ; do
    finfo "$filename"
    echo
done