Robin Moffatt • 2/2/2021

Performing a GROUP BY on data in bash

Read Original

The article explains a practical method for analyzing data structure by performing a GROUP BY operation using bash command-line tools. It demonstrates a pipeline using kafkacat to sample Kafka messages, jq to extract a 'type' field, and standard Unix tools (sort, uniq, awk) to count and order message types, showcasing a classic data engineering technique.

0 comments
#bash #Data Engineering #Jq
Performing a GROUP BY on data in bash

Comments

No comments yet

Be the first to share your thoughts!

Browser Extension

Get instant access to AllDevBlogs from your browser

Top of the Week

1
Quoting Thariq Shihipar
Simon Willison • 2 votes
2
Top picks — 2026 January
Paweł Grzybek • 1 votes
3
In Praise of –dry-run
Henrik Warne • 1 votes
4
Deep Learning is Powerful Because It Makes Hard Things Easy - Reflections 10 Years On
Ferenc Huszár • 1 votes
5
Vibe coding your first iOS app
William Denniss • 1 votes
6
AGI, ASI, A*I – Do we have all we need to get there?
John D. Cook • 1 votes
7
Dew Drop – January 15, 2026 (#4583)
Alvin Ashcraft • 1 votes