Linux CLI - Text Processing
Which
awk pattern matches every line of input?Which awk pattern matches every line of input?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Recall special patterns in awk
BEGIN and END are special patterns for start and end of input, not every line.Step 2: Understand numeric pattern '1'
In awk, a pattern of '1' always evaluates true, so it matches every line.Final Answer:
Numeric pattern '1' matches every line -> Option CQuick Check:
Pattern '1' = match all lines [OK]
Quick Trick: Pattern '1' always matches all lines [OK]
Common Mistakes:
- Choosing BEGIN or END as line matchers
- Misunderstanding $0 == "" matches empty lines only
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