Bash Scripting - Conditionals
You want to write a script that checks if a path is a regular file and is readable and writable. Which combined test condition is correct?
You want to write a script that checks if a path is a regular file and is readable and writable. Which combined test condition is correct?
hard🚀 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the requirements
The script must check if the path is a regular file-fand has read-rand write-wpermissions.Step 2: Analyze each option
[ -f "$path" ] && [ -r "$path" ] && [ -w "$path" ] uses logical AND to combine all required tests correctly. Others use wrong operators or test directories or executability.Final Answer:
[ -f "$path" ] && [ -r "$path" ] && [ -w "$path" ] -> Option DQuick Check:
Combine tests with && for all conditions [OK]
Quick Trick: Use && to combine multiple file tests in bash [OK]
Common Mistakes:
MISTAKES- Using || instead of &&
- Testing directory instead of file
- Missing quotes around variables
Master "Conditionals" in Bash Scripting
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