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From: John Russell <jorussel@cisco.com>
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Subject: Re: How to search through all buffers?
Date: 05 Apr 2003 01:11:59 -0500
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John Paul Wallington <jpw@gnu.org> writes:

> I misread `occur-read-primary-args'; this is cleaner:
> 
> (defun hanchrow-all-encompassing-occur (regexp &optional hidden-bufs-too)
>   "Show all lines in all visible buffers containing a match for REGEXP.
> With prefix arg HIDDEN-BUFS-TOO, show lines matching in all buffers."
>   (interactive (occur-read-primary-args))
>   (multi-occur (if hidden-bufs-too
> 		   (buffer-list)
> 		 (delq nil
> 		       (mapcar (lambda (buf)
> 				 (unless (string-match "^ " (buffer-name buf))
> 				   buf))
> 			       (buffer-list))))
> 	       regexp))

Wow, and I had never even heard of occur before.  This function is
great. Thanks.