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Awk Quick Builder

Select a common awk task, set parameters, and get a ready-to-use command with live preview on sample data.

Task

How It Works

This tool generates awk one-liners for common data-processing tasks:

  • Select a task — choose from column selection, aggregation (sum, average, count), group-by operations, or CSV/TSV processing
  • Set parameters — specify columns, delimiters, conditions, and output format
  • Copy the command — use it directly in your terminal
  • Preview the result — edit sample data and see output update in real time

All processing runs locally in your browser — no data is sent to any server.

Awk Quick Reference
Syntax Meaning Example
$1, $2, ... Column (field) by position awk '{print $1}'
$NF Last column awk '{print $NF}'
NR Current line number awk '{print NR, $0}'
-F Set field separator awk -F',' '{print $2}'
BEGIN{} Run before input awk 'BEGIN{FS=","} ...'
END{} Run after all input awk 'END{print NR}'
/pattern/ Filter lines by regex awk '/error/ {print}'
OFS Output field separator awk -v OFS="\t" ...

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