Linux Pipelines, xargs, split, diff, and Practical Recipes Cheat Sheet/Show effective config lines only
Remove comments and blank lines from a config file.
Section: Practical Recipes
Show effective config lines only
bash
bash
grep -Ev '^[[:space:]]*($|#)' nginx.confExplanation
This makes configuration files much easier to inspect quickly.
Learn the surrounding workflow
Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.
Related commands
Same sheet · prioritizing Practical Recipes
Show most frequent error messages
Count and rank repeated lines in a log.
Sum a CSV column
Compute the total of a numeric CSV field after skipping the header.
Replace text across many files safely
Search files first, then edit in place.