[Bash] Search for Text with `grep`

In this lesson,we’ll use?grep?to find text patterns. We’ll also go over some of the flags that?grep?has that can be combined together to make it more powerful and easier to read.

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grep --color -n -C 5 "npm.config.get" lib/**/*.js

# --color: highlight
# -n: show line number
# -C 5: show 5 lines for each context
# search for content "npm.config.get"
# in ‘lib‘ folder for every matching js files

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Can also using ‘-e‘ for regex partten.

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Using `man grep` for help