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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 17:05:48 -0000
User-agent: G2/1.0

On Oct 23, 9:42 am, address@hidden wrote:
> 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

Also, I might add that I canot make use of a macro feature inside a
lisp function and therefore, I cant use something like find-file,
unless it is transparent.




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