Which awk command prints the last field of each line in a file?

easy📝 Conceptual Q2 of 15

Linux CLI - Text Processing

Which awk command prints the last field of each line in a file?

Aawk '{print NF}' filename

Bawk '{print $NF}' filename

Cawk '{print $1}' filename

Dawk '{print $0}' filename

Step-by-Step Solution

Solution:

Step 1: Identify how to print last field in awk
The variable $NF refers to the last field of the current line.
Step 2: Match command with correct syntax
awk '{print $NF}' filename uses print $NF which prints the last field. Other options print first field, number of fields, or whole line.
Final Answer:
awk '{print $NF}' filename -> Option B
Quick Check:
$NF prints last field [OK]

Quick Trick: Use $NF to print last field dynamically [OK]

Common Mistakes:

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