You want to create a script that accepts a filename as argument and prints "File exists" if it exists. Which script snippet is correct?

hard🚀 Application Q9 of 15

Bash Scripting - Basics

A#!/bin/bash if [ -f "$1" ]; then echo "File exists" fi

B#!/bin/bash if [ $1 ]; then echo "File exists" fi

C#!/bin/bash if [ -d "$1" ]; then echo "File exists" fi

D#!/bin/bash if [ "$1" == "file" ]; then echo "File exists" fi

Step-by-Step Solution

Solution:

Step 1: Understand file existence test in bash
Use -f to check if a regular file exists at the path given by $1.
Step 2: Identify correct conditional syntax
#!/bin/bash if [ -f "$1" ]; then echo "File exists" fi correctly uses [ -f "$1" ] to test file existence and prints message.
Final Answer:
#!/bin/bash\nif [ -f "$1" ]; then\necho "File exists"\nfi -> Option A
Quick Check:
Check file existence with -f and $1 argument = #!/bin/bash if [ -f "$1" ]; then echo "File exists" fi [OK]

Quick Trick: Use [ -f "$1" ] to test if file exists in bash [OK]

Common Mistakes:

MISTAKES

Master "Basics" in Bash Scripting

9 interactive learning modes - each teaches the same concept differently

Want More Practice?

15+ quiz questions · All difficulty levels · Free

More Bash Scripting Quizzes