Bash Scripting - String Operations
Given
text="banana bandana", what is the output of echo ${text/ana/123}?Given text="banana bandana", what is the output of echo ${text/ana/123}?
medium📝 Command Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Understand replacement of first occurrence
The expression replaces only the first 'ana' in 'banana bandana'. The first 'ana' appears in 'banana' at position 2.Step 2: Apply replacement
Replacing first 'ana' with '123' changes 'banana' to 'b123na'. The rest remains unchanged.Final Answer:
b123na bandana -> Option DQuick Check:
First occurrence replaced only = A [OK]
Quick Trick: Only first match replaced with single slash [OK]
Common Mistakes:
MISTAKES- Replacing all occurrences
- No replacement happens
- Replacing wrong substring
- Misreading variable content
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