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grep-search-for-source-files-with-lines-matching-pattern.md

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Problem

I want to idenfity recent source code files that use a particular word or pattern.

Solution

Use grep to search for source files containing lines that match a pattern.

$ ls -tr | grep -r "QUERY_WORD" ./some_subdirectory | head -n 5

Discussion

  • First sort files in descending order by modified time (-tr)
  • Use recursive (-r) grep pattern match in some_subdirectory
  • Limit to most top 5 results (most recent 5 if you pipe sorted list of files earlier)