Bash Scripting - String Operations
If
var="Hello", what will echo ${#var} output?If var="Hello", what will echo ${#var} output?
easy🧠 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Assign the string to variable
The variablevarcontains the string "Hello" which has 5 characters.Step 2: Use ${#var} to get length
The expression${#var}returns the number of characters, which is 5.Final Answer:
5 -> Option CQuick Check:
String length = 5 [OK]
Quick Trick: Count characters to predict ${#var} output [OK]
Common Mistakes:
MISTAKES- Counting spaces or adding extra characters
- Confusing output with the string value
- Assuming length includes null terminator
Master "String Operations" in Bash Scripting
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