SHELL-SCRIPTING5 MIN READ
Keep stdout clean and diagnostics on stderr
Explain and apply stdout/stderr separation in a script review or pairing session.
Inez I data engineer 1 Frame 2 Fix 3 Verify Pipeline break 20 sec The broken job export-customers prints progress and JSON to stdout. Downstream jq fails on the progress line. The fix must preserve useful human feedback without contaminating machine-readable output. progress line broke JSON parsing daily pipeline schedule The stream contract
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