Command Description
------- -----------
grep keyword * Search all files in the current directory
for keyword.
grep -i keyword filename Search a specific filename for keyword.
grep Beginner Help
grep is a useful tool for locating files that contain specified keywords,
a function you will come to appreciate when working with directories that
contain a large number of files. For example, to locate the particular
file that contains a reference to the game tetris, type:
world% grep tetris *
where "*" is a wildcard that instructs grep to search all files in the
current directory for the word "tetris".
You may also use the grep command on a specific file. For example,
use the 'grep -i' command to execute a search (case insensitive) on
the file '/help/newsgroups' (a very large file containing the names of
all the newsgroups that The World subscribes to) for newgroups that
discuss food:
world% grep -i food /help/newsgroups
alt.college.food Dining halls, cafeterias, mystery meat, and more!
alt.crackers Snack food in little bits or big bytes.
alt.food.cocacola & Royal Crown, Pepsi, Dr. Pepper, NEHI, etc...
alt.food.fat-free Quest for thinness.
alt.food.mcdonalds Carl Sagan's favourite burger place.
alt.org.food-not-bombs Activism for the homeless.
ba.food Bay Area restaurants and eating places.
rec.food.cooking Food, cooking, cookbooks, and recipes.
rec.food.drink Wines and spirits.
rec.food.drink.beer All things beer.
...
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