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From: Stephen Warren <swarren@wwwdotorg.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH V2 2/5] fs: implement infra-structure for an 'exists' function
Date: Mon, 27 Jan 2014 13:51:24 -0700	[thread overview]
Message-ID: <52E6C6CC.7000604@wwwdotorg.org> (raw)
In-Reply-To: <20140126194435.C45DB380ADF@gemini.denx.de>

On 01/26/2014 12:44 PM, Wolfgang Denk wrote:
> 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?

I thought that "test -e mmc 0:1 /boot/boot.scr" was different enough
from a regular Unix shell's single-argument path that it would look a
little weird. Still, it works out fine, so I've sent V3 that implements
this via test instead.

  reply	other threads:[~2014-01-27 20:51 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-23 19:56 [U-Boot] [PATCH V2 1/5] fs: fix generic save command implementation Stephen Warren
2014-01-23 19:56 ` [U-Boot] [PATCH V2 2/5] fs: implement infra-structure for an 'exists' function Stephen Warren
2014-01-26 15:41   ` Simon Glass
2014-01-27 17:03     ` Stephen Warren
2014-01-27 17:50       ` Simon Glass
2014-01-26 19:44   ` Wolfgang Denk
2014-01-27 20:51     ` Stephen Warren [this message]
2014-01-27 21:44       ` Wolfgang Denk
2014-01-23 19:56 ` [U-Boot] [PATCH V2 3/5] sandbox: implement fs_exists() and 'sb exists' shell function Stephen Warren
2014-01-26 15:42   ` Simon Glass
2014-01-23 19:56 ` [U-Boot] [PATCH V2 4/5] ext4: implement exists() for ext4fs Stephen Warren
2014-01-26 15:45   ` Simon Glass
2014-01-23 19:57 ` [U-Boot] [PATCH V2 5/5] fat: implement exists() for FAT fs Stephen Warren
2014-01-26 15:52   ` Simon Glass
2014-01-27 17:09     ` Stephen Warren
2014-01-26 15:26 ` [U-Boot] [PATCH V2 1/5] fs: fix generic save command implementation Simon Glass
2014-01-27 17:00   ` Stephen Warren

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