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grep

Matches patterns in input text Supports simple patterns and regular expressions

search for an exact string

grep {{something}} {{file_path}}

use a regex

grep -e {{^regex$}} {{file_path}}

see 3 lines of context

grep -C 3 {{something}} {{file_path}}

print the number of matches

grep -c {{something}} {{file_path}}

use the standard input instead of a file

cat {{file_path}} | grep {{something}}