Re: What's the use of "yes"?

From: Laurent Vogel (lREMOVEvCAPITALlLETTERS2_at_club-internet.fr)
Date: 04/17/04 

Date: Sat, 17 Apr 2004 19:56:08 +0200

Steven Ding wrote:
> The utility "yes" always output "y" continuously when excuted without a
> parameter. What's the use of it?

I use it to create files with a certain number of identical lines:

  yes foo | head -20000

will create a file with 20000 lines containing text "foo"

Laurent

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