Re: How to enable <stdin> when run Perl in Emacs?

["Dieter Klünter" <dieter@dkluenter.de>]

znavko--- via Users list for the GNU Emacs text editor
<help-gnu-emacs@gnu.org> writes:

> Hello, Emacs Help!
> I tried to use Emacs Elpy for Python, and there was a simple way to
> run my code with just only C-c C-c.
> Standard input worked fine there, I could interact with my program in
> separate Emacs window.
>
> I wish the same codeing on Perl in Emacs. I've installed Perl
> Development Environment from CPAN
> and added lines into .emacs file. Perl highlights perfectly, but there
> are some inconvenience:
>
> 1. Running scripts is very slow, because I need to press 'C-c r', then
> Emacs ask 'would you like to save file', also it may ask me 'there is
> a process of compilation, do you want to kill it?'
> Here i want just one single command torun my script without any question.
>
> 2. There is no possibility tointeract with my program in the Emacs
> window where my script is executing.
> I found some hacks how to use <stdin> in PDE but that is for running
> scripts with Emacs from terminal, not from the window where I coding
> it.
>
> Is there any comfortable Emacs module for Perl editing and debugging
> like Elpy for python?
> This is my simple program that cannot get any input from the emacs window:
> #!/usr/bin/env perl
>
> use strict;
> use warnings;
> use feature 'say';
>
> say 'Hello!';
>
> print "How old are you?";
> my $age = <>;
> print "WOW! You are $age years old!";
> This is my .emacs:
>
> ; One window mode
>  (setq inhibit-startup-screen t)
> ;; perl mode pde
>  (add-to-list 'load-path "~/elisp/pde/lisp")
>  (load "pde-load")
> ;; python emacs-elpy
> ; (setq python-shell-interpreter "python3")
> ; (setq elpy-rpc-python-command "python3")
> ;(elpy-enable)
> ;; tab indent
> ;; set default tab char's display width to 4 spaces
> (setq-default tab-width 4) ; emacs 23.1 to 26 default to 8
>
> ;; set current buffer's tab char's display width to 4 spaces
> (setq tab-width 4)
> ;; BasicCustomization
> (setq inhibit-startup-screen t) ;; disable welcome message
> (global-linum-mode t) ;; enable line numbers globally
> (setq linum-format "%4d u2502") ;; format line number spacing

I use mode-compile, cperl-mode and PDE

(require 'pde)
(defalias 'perl-mode 'cperl-mode)
(setq cperl-hairy t)

mcpan install Emacs::PDE

-Dieter

--
Dieter Klünter | Directory Service
http://sys4.de
53°37'09,95"N
10°08'02,42"E