By default, grep matches the given string/pattern if it found as a substring in a file. - You can display the lines that are not matched with the specified search sting pattern using the *-v* option. - The *-w* option to grep makes it match only the whole words. - We can make the grep to display only the matched string by using the *-o* option. - The *^* regular expression pattern specifies the start of a line. This can be used in grep to match the lines which start with the given string or pattern. - The *$* regular expression pattern specifies the end of a line. This can be used in grep to match the lines which end with the given string or pattern. [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 ====