Upload a backup file to external FTP. Delete local copy if successful.

ftpbackup.sh

#!/bin/bash
# Upload a backup file to external FTP. Delete local copy if successful.
# CONFIGURATION ----------
LOCALPATH='/path/to/backup'
HOST=''
USER=''
PASS=''
REMOTEPATH='/remote/storage/path'

# RUN PROGRAM ------------
cd $LOCALPATH

# Determine the file which should be uploaded
FILE=(*.tar)

if [[ -f "$FILE" ]];
then
  echo "Backup file found: $FILE"
else
  echo "No backups found to migrate, aborting"
  exit 0
fi

echo "Backup is starting, please wait..."

# Create a log. Clear the file if it already exists.
FTPLOG="$LOCALPATH/ftplog.txt"
> "$FTPLOG"

# Perform FTP operations
ftp -inv $HOST <<ENDFTP > $FTPLOG
quote USER $USER
quote PASS $PASS
cd $REMOTEPATH
binary
put $FILE
quit
ENDFTP

# Check the FTP Log file for the success status text.
SUCCESSMSG="226 Transfer complete"
if fgrep "$SUCCESSMSG" $FTPLOG ;
then
  echo "File uploaded successfully"
  rm -f $FILE
  echo "Cleaned up local file"
  echo "Backup completed successfully."
else
  echo "--- FTP OUTPUT START ---"
  cat $FTPLOG
  echo "---  FTP OUTPUT END  ---"
  echo "ERROR: The file was not uploaded. Please see the log above."
fi

exit 0