Bash Scripting - Text Processing in Scripts
What will be the output of this command?
echo "Hello 2024" | tr -d '0-9'
What will be the output of this command?
medium📝 Command Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the delete flag
-d '0-9'deletes all digits from the input.Step 2: Apply deletion to input
Digits "2024" are removed, leaving "Hello " with the space intact.Final Answer:
Hello -> Option CQuick Check:
Digits deleted, text remains = Hello [OK]
Quick Trick: Delete digits with -d '0-9' to keep letters and spaces [OK]
Common Mistakes:
MISTAKES- Expecting digits to remain
- Deleting spaces accidentally
- Output missing spaces
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