Bash Scripting - Functions
How can you capture the text output of a bash function
greet that uses echo inside, and store it in a variable msg?How can you capture the text output of a bash function greet that uses echo inside, and store it in a variable msg?
hard🚀 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Understand capturing function output
To capture text output from a function that usesecho, use command substitution:$(function_name).Step 2: Identify correct syntax
msg=$(greet)runsgreetand stores its echo output inmsg. Other options misuse return or echo.Final Answer:
msg=$(greet) -> Option AQuick Check:
Use $(function) to capture echo output [OK]
Quick Trick: Use $(function) to capture echo output in variable [OK]
Common Mistakes:
MISTAKES- Using return instead of command substitution
- Assigning echo command directly to variable
- Using backticks incorrectly with return
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