On Thu, 14 Nov 2019 09:14:52 +0100
"R.Wieser"  wrote:

> Roger,
>
> > Better, grep -r search .
>
> I would not have expected that to work - I would have expect it to search
> for a single-dot filename - but a quick test just now shows it does.  One

 The -r makes it recursive and . is the current directory. Without
the -r it would search a file called . except that file is a directory and
grep doesn't search directory entries.

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