ebsftp.sh

#!/bin/bash

echo "*** WELCOME TO FTP UPLOAD SCRIPT written by Emin Bugra Saral ***"
echo

# Variables
SOURCE_PATH="$1"
TARGET_PATH="$2"
FTP_SERVER_FILE="$(basename $0)_server.txt" # Info file's name
FTP_SERVER_FILE_DIR="$(pwd)/$FTP_SERVER_FILE" # Info file's directory which is current one

# Upload selector 
upload()
{
  if [ $1 == "file" ]; then
	upload_file
  elif [ $1 == "dir" ]; then
	upload_dir
  fi
}

# Upload a file
upload_file()
{
echo "Attemting to upload the file"
TARGET_PATH=$(basename $TARGET_PATH)
ftp -n $SERVER <<EOF
user $USERNAME $PASSWORD
binary
mkdir $TARGET_PATH
put $SOURCE_PATH $TARGET_PATH/$(basename $SOURCE_PATH)
bye
EOF
}

# Upload a folder (may not work recursively so may not upload folder(s) inside the given folder)
upload_dir()
{
echo "Attempting to upload the folder"
ftp -n $SERVER <<EOF
user $USERNAME $PASSWORD
binary
mkdir $TARGET_PATH
cd $TARGET_PATH
lcd $SOURCE_PATH
prompt
mput *
prompt
cd ..
bye
EOF
}

# Prompt user for info
ask_info()
{
	echo -n "Server name (or ip address): "
	read SERVER
	echo -n "Username: "
	read USERNAME
	echo -n "Password: "
	read -s PASSWORD
}

# Read variables from info file
gather_info()
{
	SERVER=`sed -n '1p' $FTP_SERVER_FILE`;
	USERNAME=`sed -n '2p' $FTP_SERVER_FILE`;
	PASSWORD=`sed -n '3p' $FTP_SERVER_FILE`;	
}

# Write variables into info file
write_data()
{
	echo $SERVER > $FTP_SERVER_FILE
	echo $USERNAME >> $FTP_SERVER_FILE
	echo $PASSWORD >> $FTP_SERVER_FILE
}

# Say goodbye
end_script()
{
	echo "Execution ended"
	echo "Goodbye"
	exit
}

# Check if the parameters are satisfied
if [ -z "$SOURCE_PATH" ] || [ -z "$TARGET_PATH" ] ; then
   echo "Source and/or target directory is missing."
   echo "The usage is: \"$(basename $0) source_dir target_folder\""
else
	# Data exists and not empty
	if [ -s "$FTP_SERVER_FILE" ]; then
		gather_info
		echo "Server: $SERVER  Username: $USERNAME"
		echo "Do you want to update connection information? [y/n]"
		read USER_OPTION
		if [ $USER_OPTION == "y" ] || [ $USER_OPTION == "Y" ]; then
			ask_info
			write_data
			echo
			echo "Information is updated."
			echo
		fi
	# No data file
	else
		# Create it
		touch $FTP_SERVER_FILE

		# If you cannot, then quit
		if [ ! -f "$FTP_SERVER_FILE" ]; then
			echo "Cannot create information file. Check permissions."
			end_script
		fi

		echo "Server info file created at \"$FTP_SERVER_FILE_DIR\""
		echo "Please enter connection information"
		ask_info
		write_data
		gather_info
		echo "Information is added to \"$FTP_SERVER_FILE\"."
		echo "Server: $SERVER, Username: $USERNAME"
		echo
	fi

	echo "Accessing to $SOURCE_PATH"

	# Determine the type of source directory and call necessary function
	if [ -d "$SOURCE_PATH" ] ; then
		echo "Access is successful"
		upload dir
	elif [ -f "$SOURCE_PATH" ] ; then
		echo "Access is successful"
		upload file
	else
		echo "Directory is not valid"
		end_script
	fi
fi