From: Lei Wang <f3d27b@gmail.com>
To: Michael Albinus <michael.albinus@gmx.de>
Cc: Daniel Pittman <daniel@rimspace.net>, help-gnu-emacs@gnu.org
Subject: Re: Could someone give me a hint how to write my own function based on tramp?
Date: Sun, 5 Sep 2010 09:51:48 +0800 [thread overview]
Message-ID: <AANLkTinfK6-eR_VuVCWLqFsVOWVv1oh5W8iWPH072tbk@mail.gmail.com> (raw)
In-Reply-To: <87k4n1z6sr.fsf@gmx.de>
Thank you very much! Now, i know how to do it.
It's very helpful. Thanks you all!
On 9/5/10, Michael Albinus <michael.albinus@gmx.de> wrote:
> Lei Wang <f3d27b@gmail.com> writes:
>
>>>> I want to write a function for my own use. It is going to be a wraper of
>>>> an
>>>> operation sequence, such as, change to root, run some shell and create
>>>> and
>>>> open a file. But i even can't find to use which tramp function, and how
>>>> does
>>>> tramp start.
>>>
>>> Yeah. You probably won't find TRAMP much help in writing that, frankly,
>>> because it does a lot of things that are entirely irrelevant but quite
>>> complex
>>> compared to what you want.
>>
>> Thanks for this information.
>
> Likely, you don't need to think about Tramp at all. When you operate
> with a default-directory pointing to your remote host, Emacs' functions
> like `shell', `process-file' and `start-file-process' work on the remote
> host. Whether it is Tramp or not, is not relevant.
>
> (Tramp works in the background for you. It requires Tramp 2.1, also part
> of Emacs 23)
>
>> Ok. Nowadays, when i want to access a crypto partition, i do the
>> following steps, open a shell, su to root, /sbin/cryptsetup luksOpen,
>> mount, create a file, edit, save, umount, /sbin/cryptsetup luksClose.
>> It's very annoying. So i want to make a wrapper function. Of course,
>> the 2 times password inputs couldn't be bypassed.
>
> (let ((default-directory "/su::/"))
> ... do your actions ...
> )
>
>> Regards,
>> Lei
>
> Best regards, Michael.
>
--
Regards,
Lei
prev parent reply other threads:[~2010-09-05 1:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-04 9:16 Could someone give me a hint how to write my own function based on tramp? Lei Wang
2010-09-04 10:29 ` Daniel Pittman
2010-09-04 12:54 ` Lei Wang
2010-09-04 18:45 ` Michael Albinus
2010-09-05 1:51 ` Lei Wang [this message]
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