Linux CLI - Text Processing
What is the output of this command on a file with lines:
1: apple 10
2: banana 20
3: cherry 30
1: apple 10
2: banana 20
3: cherry 30
awk '$2 > 15 {print $1}' file.txt?What is the output of this command on a file with lines:
medium📝 Command Output Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the pattern condition
The pattern '$2 > 15' means only lines where the second field is greater than 15 are selected.Step 2: Apply the condition to each line
Line 1: 10 > 15? No. Line 2: 20 > 15? Yes. Line 3: 30 > 15? Yes.Step 3: Print the first field of matching lines
For lines 2 and 3, print $1: 'banana' and 'cherry'.Final Answer:
banana cherry -> Option BQuick Check:
Fields > 15 print first field = banana, cherry [OK]
Quick Trick: Check pattern filters before printing fields [OK]
Common Mistakes:
- Printing all lines ignoring pattern
- Printing second field instead of first
- Confusing numeric comparison with string
Master "Text Processing" in Linux CLI
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