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Homework and Emergencies Homework & Coursework Questions Loop Script with wget until exit is typed Post 303038757 by Jgerds1990 on Thursday 12th of September 2019 11:51:51 PM
Old 09-13-2019
Loop Script with wget until exit is typed

Morning all,

I am attempting to complete the below script which will do the following (skip the ping part) using Bash.

Prompts the user to type in a URL to download, or to type exit to exit the script.
If a URL is typed, wget to download the webpage and then loop back to prompting for a typed URL or to type exit.
Basically the script continually loops back to prompting for a webpage after the wget is complete of the previous webpage until the user types exit into the prompt



This is what I have now but I'll explain below other things I've tried
Image

I'm not asking for the answer (of course) just a push towards what I should be thinking about. As you can see, I currently have break at line 17 because, of course, without it, it currently will just continue to wget the URL as it gets stuck in an infinite loop. I am sure the solution is simple but I honestly can not wrap my head around how to get it to complete 1 wget and then go back to the url prompt repeatedly until the user types exit.


ECU, WA Australia, CSI6203 Scripting Languages.
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IO::All::HTTP(3pm)					User Contributed Perl Documentation					IO::All::HTTP(3pm)

NAME
IO::All::LWP - Extends IO::All to HTTP URLs SYNOPSIS
use IO::All; $content < io('http://example.org'); # GET webpage into scalar io('http://example.org') > io('index.html'); # GET to file "hello " > io('http://example.org/index.html'); # PUT webpage # two ways of getting a page with a password: $content < io('http://me:secret@example.org'); $content < io('http://example.org')->user('me')->password('secret'); DESCRIPTION
This module extends IO::All for dealing with HTTP URLs. Note that you don't need to use it explicitly, as it is autoloaded by IO::All whenever it sees something that looks like an HTTP URL. The SYNOPSIS shows some simple typical examples, but there are many other interesting combinations with other IO::All features! For example, you can get an HTTP URL and write the content to a socket, or to an FTP URL, of to a DBM file. METHODS
This is a subclass of IO::All::LWP. The only new method is "http", which can be used to create a blank IO::All::HTTP object; or it can also take an HTTP URL as a parameter. Note that in most cases it is simpler just to call io('http://example.com'), which calls the "http" method automatically. OPERATOR OVERLOADING
The same operators from IO::All may be used. < GETs an HTTP URL; > PUTs to an HTTP URL. SEE ALSO
IO::All, IO::All::LWP, LWP. AUTHORS
Ivan Tubert-Brohman <itub@cpan.org> and Brian Ingerson <ingy@cpan.org> COPYRIGHT
Copyright (c) 2007. Ivan Tubert-Brohman and Brian Ingerson. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See <http://www.perl.com/perl/misc/Artistic.html> perl v5.10.0 2007-03-29 IO::All::HTTP(3pm)
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