[U-Boot] [PATCH V2 2/5] fs: implement infra-structure for an 'exists' function

[Wolfgang Denk <wd@denx.de>]

Dear Stephen Warren,

In message <1390507020-15766-2-git-send-email-swarren@wwwdotorg.org> you wrote:
> From: Stephen Warren <swarren@nvidia.com>
> 
> This could be used in scripts such as:
> 
> if exists mmc 0:1 /boot/boot.scr; then
>     load mmc 0:1 ${scriptaddr} /boot/boot.scr
>     source ${scriptaddr}
> fi

I understand and agree with your intentions, but I dislike to invent a
new, totally non-standard command.

In UNIX, we would use the "test" command for such purposes.  Would it
not make sense to implement this feature in a more compatible way?  we
have "test", soo, so we should be able to plug it in there?

What do you think?

Best regards,

Wolfgang Denk

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