Run sftp command with password in Bash script: Step-by-step

If you're looking to run an sftp command with a password in a Bash script, there are several steps you'll need to follow to get it up and running. Here's a step-by-step guide to help you get started.

├Źndice
  1. Step 1: Install Expect
  2. Step 2: Create an Expect script
  3. Step 3: Modify your Bash script
  4. Step 4: Run your Bash script

Step 1: Install Expect

Expect is a scripting language that allows you to automate interactions with command-line programs. You'll need to install it before you can run sftp with a password in your Bash script.

To install Expect on Ubuntu or Debian, run the following command:

sudo apt-get install expect

On CentOS or Fedora, use this command instead:

sudo yum install expect

Step 2: Create an Expect script

Next, you'll need to create an Expect script that will input your password when prompted by sftp. Here's an example script:

#!/usr/bin/expect -f
spawn sftp username@example.com
expect "password:"
send "YourPasswordHerer"
interact

Replace "username@example.com" with your own sftp server address, and "YourPasswordHere" with your actual password.

Save this script as "sftp_expect.sh" (or whatever name you prefer) in the same directory as your Bash script.

Step 3: Modify your Bash script

Now it's time to modify your Bash script to include the Expect script. Here's an example:

#!/bin/bash
./sftp_expect.sh &
sftp -b sftp_commands.txt username@example.com

This script runs the Expect script in the background, then runs the sftp command with a batch file ("sftp_commands.txt") that contains the commands you want to execute on the server.

Step 4: Run your Bash script

Finally, you can run your Bash script and it should automatically input your password when prompted by sftp. Here's how to do it:

chmod +x your_bash_script.sh
./your_bash_script.sh

And that's it! With these steps, you should now be able to run an sftp command with a password in your Bash script.

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