Bash Scripting - Variables
Which of the following is the correct way to print the value of variable
name followed immediately by the string _end in bash?Which of the following is the correct way to print the value of variable name followed immediately by the string _end in bash?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Understand variable and string concatenation
To print variablenamefollowed by_end, we must separate the variable name from the string.Step 2: Use braces to separate variable name
Using${name}_endcorrectly prints the variable value plus the string_end. Without braces,$name_endlooks for a variable namedname_end.Final Answer:
echo ${name}_end -> Option DQuick Check:
Braces separate variable name from text = C [OK]
Quick Trick: Use braces when adding text right after variable [OK]
Common Mistakes:
MISTAKES- Forgetting braces and getting wrong variable
- Adding space breaks concatenation
- Using wrong variable name inside braces
Master "Variables" in Bash Scripting
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