From: Ralph Siemsen <ralph.siemsen@linaro.org>
To: u-boot@lists.denx.de
Subject: command documentation
Date: Wed, 9 Sep 2020 14:53:08 -0400 [thread overview]
Message-ID: <20200909185308.GA10886@maple.netwinder.org> (raw)
In-Reply-To: <CAEf3A6QNjSMJOad6THzF3wEdVVjFaNDZdZXCdoEFdA7exrFg5A@mail.gmail.com>
Hi Jasper,
On Wed, Sep 09, 2020 at 07:03:58PM +0200, Jasper van Santen wrote:
>
>I am sorry to ask such a basic question, but i really can't find any
>documentation on the commands possible in scripting.
>Documentation of Hush and its commands i can't find.
The hush shell gives you the ability to do loops/conditionals. It uses
the same syntax as most Linux/unix shells, such as ash/bash/dash. You
will find many tutorials/documents online for these. Some examples:
https://www.xilinx.com/video/soc/u-boot-hush-shell-scripting.html
https://www.man7.org/linux/man-pages/man1/dash.1.html
Keep in mind that some more fancy features may not be supported in the
u-boot hush shell.
As far as official documentation, I am only aware of brief mention
in https://github.com/u-boot/u-boot/blob/master/README#L3530
The other aspect is the commands which can be run. This depends on how
you configure your u-boot, eg. the CONFIG_CMD_* parameters. You can get
a brief overview of commands by typing "help" at the u-boot prompt. And
somewhat more help by typing "help <cmdname>".
Hope this helps,
Ralph
next prev parent reply other threads:[~2020-09-09 18:53 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-09 17:03 command documentation Jasper van Santen
2020-09-09 18:53 ` Ralph Siemsen [this message]
2020-09-10 9:19 ` Jasper van Santen
2020-09-10 12:36 ` Ralph Siemsen
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