# utility function which is used to create and change
# to the given directory name
# Add to the .bashrc file
# usage:
#   mkcd directory_name
mkcd() {
  local directory_name="${1}"
  if [ -z $directory_name ]
  then
    echo "Pass the directory name as the argument!!!" > /dev/stderr
  elif [ -d "${directory_name}" ]
  then
    cd $directory_name
    unset directory_name
  else
    mkdir -p $directory_name
    cd $directory_name
    unset directory_name
  fi
}