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From: candycanearter07 <candycanearter07@candycanearter07.nomail.afraid>
Newsgroups: comp.os.linux.advocacy
Subject: Re: Need Assistance -- Network Programming
Date: Thu, 20 Jun 2024 05:50:02 -0000 (UTC)
Organization: the-candyden-of-code
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Lester Thorpe <lt@gnu.rocks> wrote at 13:47 this Wednesday (GMT):
> Ordinarily, I don't give a flying fuck about network programming
> but necessity does dictate.
>
> I need to read through an HTML file, find all external HTTP(S) links,
> and then determine if those external links are still viable, i.e.
> if the pages to which they link still exist.
>
> Perl is the language of choice.
>
> Finding the links is not a problem, but how do I determine viability?
> Do I look for the "404" error or is there another way?
>
> I don't want no fucking Python code.
>
> Pseudocode or just the relevant commands would be preferable.


Well, if you're fine with bash, this should do it:

while IFS=" "; read -r url; do
  curl -fs "$url" > /dev/null || echo "$url down"
done < "$1"

(or replace $1 with a path to the file)
-- 
user <candycane> is generated from /dev/urandom