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

[znavko@disroot.org]

Thank you!

mode-compile has old-style quotes, and emacs says:

Loading mode-compile.el: old-style backquotes detected!

But this is the main thing I wish to have - useful compiler of Perl in emacs.


February 28, 2021 10:24 PM, "Dieter Klünter" <dieter@dkluenter.de> wrote:

> 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