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Re: Pipe bash file contents to shell

From: William Stevenson
Subject: Re: Pipe bash file contents to shell
Date: Fri, 01 Jul 2011 03:15:59 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

linuxfever <address@hidden> writes:

> I managed to create a part of the lisp function as follows:
> (defun pipe-region-to-shell ()
> (interactive)
> (process-send-string "shell" (format "cd %s\n" (file-name-directory
> (buffer-file-name))))
> (process-send-region "shell" (region-beginning) (region-end)))
> The first line makes the shell go to the directory where the bash script is,
> and the second one sends the highlighted region to the shell. And all these
> happen in the background as I need. The only problem is that the function
> assumes that a buffer named "shell" exists.

You want get-buffer-create I think

get-buffer-create is a built-in function in `C source code'.

(get-buffer-create BUFFER-OR-NAME)

Return the buffer specified by BUFFER-OR-NAME, creating a new one if needed.
If BUFFER-OR-NAME is a string and a live buffer with that name exists,
return that buffer.  If no such buffer exists, create a new buffer with
that name and return it.  If BUFFER-OR-NAME starts with a space, the new
buffer does not keep undo information.

If BUFFER-OR-NAME is a buffer instead of a string, return it as given,
even if it is dead.  The return value is never nil.

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