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Re: Help needed

From: James Youngman
Subject: Re: Help needed
Date: Thu, 10 Sep 2015 23:32:55 +0100

On Tue, Sep 8, 2015 at 12:18 PM, Carlos Lopes <address@hidden> wrote:
> Hi,
> I'm trying to use findutils to find files based on their name, but since
> there are many patterns to search, I would like to know if it is possible to
> pass a file with the patterns:

Roughly how many patterns?  20?  100_000_000?   Is it a fixed set or
does it change a lot?

For 20 relatively static patterns, you can make a single regex.   For
200 varying patterns you could use a shell loop to generate the
command line.   For 100_000_000 patterns you're better off generating
a list of all the files and then combining the patterns into 50_000 or
so combined regexes.

IOW your optimal choice depends on, I think, details you didn't specify.

Could you provide more detail?


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