build2be/com/e something is going on over there

I'm still learning to use more command line options.
Today I wanted to apply Hide machine readable name of menu by default. so I had to search for the context around the drupal #attached_js form tag.
So I type man grep and search for context. And bly me there is an option :)
grep --context=4 -r "attached_js" *
Which is _cool_