What are conditional statements in shell scripting?

What are conditional statements in shell scripting?

Conditional statements in shell scripting allow you to execute commands based on certain conditions. They help in making decisions in your scripts.

Can you give me an example of a conditional statement?

Sure! Here's a simple example:

if [ -f "file.txt" ]; then
    echo "File exists."
else
    echo "File does not exist."
fi

What other types of conditional statements are there?

In addition to if, you can use case, until, and while statements for different types of conditions and loops.

How do I use nested conditional statements?

You can nest if statements within each other. For example:

if [ condition1 ]; then
    if [ condition2 ]; then
        echo "Both conditions are true."
    fi
fi