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Re: How to write a string to a file inside emacs ?

From: gnuist006
Subject: Re: How to write a string to a file inside emacs ?
Date: Tue, 23 Oct 2007 16:42:02 -0000
User-agent: G2/1.0

On Oct 23, 9:30 am, address@hidden wrote:
> On Oct 23, 9:26 am, address@hidden wrote:
> > Here is the problem:
> > How would you write a string to a file inside emacs ? There is the
> > main buffer that you are viewing called file1. Here you run a lisp
> > function which is supposed to write some text of the file or in a
> > variable to another file called file2.
> > I have looked and found this function:
> > (append-to-file START END FILENAME)
> > This function is only good enough to copy selected text from file1 to
> > file2, BUT I want a function that copies value of a string variable
> > str-var into file2 or some other string. Basically, I want a
> > generalization/modification of the command "insert" to append which
> > takes a filename as an argument and appends a given string over there.
> > I know one dirty workaround is to insert the text in file1, and then
> > append-to-file into file2 and then remove it from file1.
> > Is there a faster or cleaner approach ? This has to be done a lot and
> > one wants something faster than writing, copying and erasing.
> > append-to-buffer is an interactive compiled Lisp function in `simple'.
> > (append-to-buffer BUFFER START END)
> > Append to specified buffer the text of the region.
> > It is inserted into that buffer before its point.
> > When calling from a program, give three arguments:
> > BUFFER (or buffer name), START and END.
> > START and END specify the portion of the current buffer to be copied.
> just found the write-file is based on write-region but neither solves
> my problem.

Kludgy feature: if START is a string, then that string is written
to the file, instead of any buffer contents, and END is ignored.
<--------It does not seem to work

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