We can find the number of lines that matches the given string/pattern AND Prefix each line of output with the 1-based line number within its input file. [INFO] ==== DATAFILE The datafile contains aggregate individual statistics for 67 NBA seasons. from basic box-score attributes such as points, assists, rebounds etc., to more advanced money-ball like features such as Value Over Replacement. Take a look in link:https://git.swarmlab.io:3000/llo/LabLearningObject/src/branch/master/data/nba_statistics_glossary[Glossary^] for a detailed column description ENVIRONMENT VARIABLE: LLO_DATAFILE ====