Create New Alias .bashre Script

.bashre creation script

##------------------------------------ ##
 #           -- new-alias --           #
 # creates new alias & writes to file  #
 #          $1 = alias new             #
 #          $2 = alias definition      #
##------------------------------------ ##
new-alias () { 
  if [ -z "$1" ]; then
    echo "alias name:"
    read NAME
  else
    NAME=$1
  fi

  if [ -z "$2" ]; then
    echo "alias definition:"
    read DEFINTION
  else
    if [ "$2" = "-cd" ]; then
      DEFINTION='cd '
    else
      DEFINTION=$2
    fi
  fi

  echo "alias $NAME='$DEFINTION'" >> ~/.bashrc
  . ~/.bashrc
}