Bash Scripting - String Operations
In bash, which syntax will convert the variable
data to uppercase letters?In bash, which syntax will convert the variable data to uppercase letters?
easy🧠 Conceptual Q1 of 15
Step-by-Step Solution
Solution:
Step 1: Identify uppercase conversion syntax
In bash,${variable^^}converts all characters to uppercase.Step 2: Check other options
${data,,}converts to lowercase,${data^}capitalizes only first character,${data,}lowercases first character.Final Answer:
echo ${data^^} -> Option BQuick Check:
Uppercase all letters uses double caret [OK]
Quick Trick: Use double caret ^^ for uppercase conversion [OK]
Common Mistakes:
MISTAKES- Using single caret ^ converts only first letter
- Confusing lowercase and uppercase syntax
- Using commas instead of carets
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