4 ms·

but but but... what about the single responsibility principle??? Grep can't both load the file and pattern match against it's contents! Sacrilege.

• kzcqt 8y ago
  I know you're being facetious, but every utility is supposed to be able to open and read a FILE handle, even if it's just stdin.
  • majewsky 8y ago
    Well technically you're not opening stdin. It's handed to you by your parent.