Grep Exercises

Questions and Answers

What is the purpose of Grep?

What are some common uses of Grep?

What character represents the Line Begin Anchor?

What character represents the Line End Anchor??

What is the Any Character Symbol??

How would you search a file for lines beginning with the phrase John?

cat file-name | grep "^John"

How would you search a directory for only files ending in .csv?

ls /path/to/directory | grep ".csv$"

Working with the user.csv Dataset

Using the user.csv Dataset complete the following requirements:

curl -s https://launchcodelearning.org/api/walkthrough/user?data_format=csv > user.csv

Filter the results of the user.csv so that you only match users by the name of James with an email ending in .org that work for Boeing.

grep '^James' user.csv | grep '.org' | grep 'Boeing$'

Filter the results of the user.csv so that you only match users with the last name Campbell that work for the organization Freedom pay.

grep "Campbell," user.csv | grep "Freedom pay"

grep -E '^John,[J,S]|^Paul,[J,S]' user.csv | grep "Express Scripts"