Automount a nonempty directory from /etc/fstab (bash, checked on Ubuntu 12.04)

automount.sh

#!/bin/sh

# Check parameter
if [ $# -eq 0 ]; then
 echo "No argument specified. Right syntax is: automount.sh MOUNTPATH"
 exit 1
else
 # Check fstab contains folder
 if cat /etc/fstab | grep $1 > /dev/null; then
  # Check directory already mapped
  if mountpoint $1 | grep 'is not a mountpoint' > /dev/null; then
   # Move content into tmp folder if dir is not empty
   if [ "$(ls -A $1)" ]; then
    TDIR=`mktemp -d`.
    mv "$1"/* $TDIR || exit 1
    # Mount folder
    mount $1 || true
    # Copy content from tmp folder to mounted folder
    mv "$TDIR"/* $1
   else.
    # Just mount folder
    mount $1
   fi
  fi
 else
  echo "/etc/fstab not contains folder $1"
  exit 1
 fi
fi