Bash Scripting - Variables
You want to assign the output of the command
date +%Y to a variable year. Which is the correct way to do this in bash?You want to assign the output of the command date +%Y to a variable year. Which is the correct way to do this in bash?
hard🚀 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand command substitution syntax
Use$(command)to assign command output to a variable.Step 2: Check for spaces around =
Variable assignment must have no spaces around=.Final Answer:
year=$(date +%Y) -> Option AQuick Check:
Command substitution with no spaces = year=$(date +%Y) [OK]
Quick Trick: No spaces around = and use $(command) for output assignment [OK]
Common Mistakes:
MISTAKES- Spaces around =
- Using quotes incorrectly
- Missing $ in command substitution
Master "Variables" in Bash Scripting
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