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Unix scripting in data engineering?

Python/Codinghard0.5 min readPremium
Frequency
Low
Asked at 1 company
Category
179
questions in Python/Coding
Difficulty Split
127E|24M|28H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
Comcast
Key Concepts Tested
pythonspark
Expert AnswerPremium
90 wordsInterview-ready
**Why Unix in Data Eng:** File staging, cleanup, lightweight transforms before Spark. find, awk, sed, xargs, cron—ubiquitous, no runtime deps. **Use Cases:** find /data -name '*.csv' -mtime +7 | xargs gzip. awk -F',' '{print $1,$3}' for column extraction. sed for bulk replace. Cron for scheduling: 0 2 * * * /scripts/ingest.sh. **Scalability:** Shell for single-node, pre-processing. For distributed: Spark. Best practice: set -e (exit on error), validate paths, log to file....
The complete answer continues with detailed implementation patterns, architectural trade-offs, and production-grade considerations. It covers performance optimization strategies, common pitfalls to avoid, and real-world examples from companies like Comcast. The answer also includes follow-up discussion points that interviewers commonly explore.

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