Bash Scripting - Conditionals
Which of the following is the correct way to check if two strings stored in variables
a and b are equal in bash?Which of the following is the correct way to check if two strings stored in variables a and b are equal in bash?
easy📝 string Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Understand string equality in bash
Use single equals sign (=) inside test brackets to compare strings.Step 2: Importance of quoting variables
Quoting variables prevents word splitting and errors if variables are empty or contain spaces.Final Answer:
[ "$a" = "$b" ] -> Option AQuick Check:
Test with a="hello" and b="hello" returns true [OK]
Quick Trick: Use [ "$a" = "$b" ] for string equality [OK]
Common Mistakes:
MISTAKES- Not quoting variables causing errors
- Using == inside single brackets without [[ ]]
- Using -z or -n for equality checks
Master "Conditionals" in Bash Scripting
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