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grep


Recursive and Don't Match: 


Serach through all files in this dir, and look for lines that DO NOT INCLUDE the word chuck.
grep -v chuck *

Search through all the files in this dir and the ones below (recursive) and find all lines with the word chuck
grep -r chuck *

Include N number of lines before/after match


Search though a file for a specific word (chuck), then show the 4 lines after it: 
grep -A4 chuck

Search though a file for a specific word, then show the 2 lines before it: 
grep -B2 chuck

Search though a file for a specific word, then show the 3 lines before and after it: 
grep -C3 chuck



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