![]() ![]() You’ll see the file path printed on your terminal, as shown below: Run the following command: realpath demo.txt Now, let’s identify the full path of this file, which we'll need for our scripts in the upcoming sections. Run the following command to create a file named demo.txt (inside any directory you prefer): touch /root/demo.txt Create the file we want to check the existence of.Check if a File Exists in Bash Using the test Commandīefore we learn how to use the test command, we need to do two things: Best of all, you won't need to go through the hassle of installing any additional software- everything you need is already set up and ready to use. You also need a text editor, such as "nano" or "vim", which come pre-installed by default in many Unix-like operating systems.įor the purpose of this blog post, I'll be using KodeKloud’s Ubuntu playground, which lets you access a pre-installed Ubuntu operating system in just one click. ![]() To try out the scripts in this blog post, you need access to a Bash shell. In this blog post, we'll explore four different methods to check if a file exists in Bash. In your Bash scripting journey, you’ll likely come across many scenarios where you must verify the existence of a file before performing any operation on it. If not, your script may not work as expected. It's important to ensure that the file exists before you try to write to it. Let's say you're creating a Bash script to save some data in a file. ![]()
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