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From: Zefram <zefram@dcs.warwick.ac.uk>
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Subject: Re: bug with **/ syntax?
To: matthew@ans.net (Matthew Braun)
Date: Sat, 7 Dec 1996 13:33:47 +0000 (GMT)
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In-Reply-To: <199612071232.HAA06845@sassy.aa.ans.net> from "Matthew Braun" at Dec 7, 96 07:32:26 am
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>[this next example is the alleged bug, it shouldn't show the directories
>under libtemplate --matthew]
>
>sassy:ftp/glimpse-4.0.src> \ls -d **/    
>agrep/                 lib/                   libtemplate/template/
>bin/                   libtemplate/           libtemplate/util/
>compress/              libtemplate/include/
>index/                 libtemplate/lib/

That is correct behaviour:

A pathname component of the form
.BI ( foo /)#
matches a path consisting of zero or more directories
matching the pattern foo.
As a shorthand,
.B **/
is equivalent to
.BR (*/)# .
Thus:
.RS
.PP
ls
.BI (*/)# bar
.RE
.PP
or
.RS
.PP
ls
.BI **/ bar
.RE
.PP
does a recursive directory search for files named bar, not following
symbolic links.  For this you can use the form
.BR ***/ .