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Re: request for review: Doing direct file I/O in Emacs Lisp
From: |
Kai Grossjohann |
Subject: |
Re: request for review: Doing direct file I/O in Emacs Lisp |
Date: |
Fri, 14 May 2004 12:42:17 +0200 |
User-agent: |
Gnus/5.110003 (No Gnus v0.3) Emacs/21.2 (gnu/linux) |
Richard Stallman <address@hidden> writes:
> Both. Like any shell, eshell provides builtins and it is able to
> invoke subprocesses. For example, you can type "find-file foo" as a
> command to eshell, and eshell will then invoke the builtin find-file.
>
> When eshell sees a redirect from a builtin, I think it would be most
> efficient to produce the output in a buffer and write it with
> write-region into the file.
What about "ls foo | grep bla"? Then the output isn't a file.
> When it is a matter of a subprocess, what could be useful is a feature
> for start-process to specify files for additional descriptors.
> That would be a completely different feature.
That would be an interesting feature. But I think there is also the
need to send output from a process to a Lisp command, and to send
output from a Lisp command to a process. This way, one can do:
shell_command | lisp_builtin | shell_command_2
WDYT?
But talk is cheap...
Kai
- Re: request for review: Doing direct file I/O in Emacs Lisp, (continued)
- Re: request for review: Doing direct file I/O in Emacs Lisp, Richard Stallman, 2004/05/10
- Re: request for review: Doing direct file I/O in Emacs Lisp, John Wiegley, 2004/05/11
- Re: request for review: Doing direct file I/O in Emacs Lisp, Richard Stallman, 2004/05/12
- Re: request for review: Doing direct file I/O in Emacs Lisp, Kai Grossjohann, 2004/05/13
- Re: request for review: Doing direct file I/O in Emacs Lisp, Richard Stallman, 2004/05/14
- Re: request for review: Doing direct file I/O in Emacs Lisp,
Kai Grossjohann <=
- Re: request for review: Doing direct file I/O in Emacs Lisp, Richard Stallman, 2004/05/15
- Re: request for review: Doing direct file I/O in Emacs Lisp, Kai Grossjohann, 2004/05/15
- Re: request for review: Doing direct file I/O in Emacs Lisp, Richard Stallman, 2004/05/16
- Re: request for review: Doing direct file I/O in Emacs Lisp, John Wiegley, 2004/05/14
- Re: request for review: Doing direct file I/O in Emacs Lisp, Richard Stallman, 2004/05/15
- Re: request for review: Doing direct file I/O in Emacs Lisp, John Wiegley, 2004/05/15
- Re: request for review: Doing direct file I/O in Emacs Lisp, David Kastrup, 2004/05/15
- Re: request for review: Doing direct file I/O in Emacs Lisp, Eli Zaretskii, 2004/05/16
- Re: request for review: Doing direct file I/O in Emacs Lisp, David Kastrup, 2004/05/16
- Re: request for review: Doing direct file I/O in Emacs Lisp, Richard Stallman, 2004/05/17