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Re: text editor, ah, just a typo

From: Jay Sulzberger
Subject: Re: text editor, ah, just a typo
Date: Tue, 22 Feb 2022 20:22:26 +0000 ()

Ah, there are several typographical errors in my last.  The most
glaring is the error of my typing

  "Cntrl" let

when I meant

  "Cntrl" key


On Tue, 22 Feb 2022, Jay Sulzberger wrote:

On Tue, 22 Feb 2022, Gottfried <> wrote:

Hi, thanks for Your email.

De nada and you are very welcome!

I am not sitting the whole day in front of a computer, I am working in a technical job to help people.

So I didn??t have time to learn any computer language, emacs etc. because I didn??t need it for my life yet.

Which editor You would propose , I should use, to show which brackets belong to each other, as you described in your email?

These days, well for some decades, I use Emacs.  I think Emacs can be
learned bit by bit.  Usually I run Emacs in an X "terminal emulator".
(Today at home, konsole is the X terminal emulator I use.)  So usually I
have the terminal with the bash shell running in it.  The below command

 guacamole:~$ mkdir EXAMPLES
 guacamole:~$ cd EXAMPLES
 guacamole:~/EXAMPLES$ echo "abc ABC (* 6 7)" >> example
 guacamole:~/EXAMPLES$ ls -l
 total 4
 -rw-r--r-- 1 guaca guaca 16 Feb 22 13:43 example
 guacamole:~/EXAMPLES$ cat example
 abc ABC (* 6 7)

So you are now in the directory


If you now issue the command

 emacs -nw example

Emacs starts up and you are thrown into Emacs.  Your screen looks
something like this (actually no spaces on the left):

 File Edit Options Buffers Tools Help
 abc ABC (* 6 7)

 -UU-:----F1  example        All L2     (Fundamental)

Now, hold down the "Cntrl" key and hit, still holding down the "Cntrl" key, hit the "e' key. You should now have the cursor at the end of the line

 abc ABC (* 6 7)

Now just start typing.  Say you type

 Oi, I am in Emacs!  The Elisp has me!

Now the top line should read

 abc ABC (* 6 7)Oi, I am in Emacs!  The Elisp has me!

Here is the most second most important command of Emacs:
Hold down the "Cntrl" let, and still holding down the "Cntrl" key,
hit the "x" key, then, again, hold down the "Cntrl" let, and still
holding down the "Cntrl" key, hit the "c" key.  Emacs will now say to
you something like:

 Save file /gibber/EXAMPLES/example? (y, n, !, ., q, C-r, C-f, d or C-h)

Hit the "y" key and Emacs will, gently and courteously, let you go.

If you now do

 cat example

you should see the contents of the file example.  Let me check on my machine:

 guacamole:~/EXAMPLES$ cat example
 abc ABC (* 6 7)Oi, I am in Emacs!  The Elisp has me!

So by direct demonstration, we know that Emacs has an avatar, the
avatar "just a text editor".

I now reveal a Great Secret of Emacs:

 Invite a friend who knows Emacs to sit with you, and with Emacs, and
 together learn of the Mysteries.

A small secret of Emacs:

 If you start Emacs like so

 emacs -nw

usually you will be thrown into Emacs and shown a tutorial, which, on
the screen, starts like so:

 File Edit Options Buffers Tools Help
 Warning Warning!!!  Pure space overflow    !!!Warning Warning
 (See the node Pure Storage in the Lisp manual for details.)
 Welcome to GNU Emacs, one component of the GNU/Linux operating system.

 Get help           C-h  (Hold down CTRL and press h)
 Emacs manual       C-h r        Browse manuals     C-h i
 Emacs tutorial     C-h t        Undo changes       C-x u
 Buy manuals        C-h RET      Exit Emacs         C-x C-c
 Activate menubar   M-`
(???C-??? means use the CTRL key. ???M-??? means use the Meta (or Alt) key. If you have no Meta key, you may instead type ESC followed by the character.)
 Useful tasks:
 Visit New File                  Open Home Directory
 Customize Startup               Open *scratch* buffer

GNU Emacs 27.1 (build 1, i686-pc-linux-gnu, GTK+ Version 3.24.30, cairo version 1.16.0)
  of 2021-11-27, modified by Debian
 Copyright (C) 2020 Free Software Foundation, Inc.

 GNU Emacs comes with ABSOLUTELY NO WARRANTY; type C-h C-w for full details.
 Emacs is Free Software--Free as in Freedom--so you can redistribute copies
 of Emacs and modify it; type C-h C-c to see the conditions.
 Type C-h C-o for information on getting the latest version.

 If an Emacs session crashed recently, type M-x recover-session RET
 to recover the files you were editing.

-UUU:%%--F1 *GNU Emacs* All L1 (Fundamental) -------------------------------------
 Package cl is deprecated

The tutorial sometimes helps.

Of some importance:

 Pay no attention to any statement by Emacs about
 1. pure space
 2. cl

Gottfried, Heaven forwarding, I will rant^Wexplain more in a bit.



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