computer science

Matt's Script Archive

Matt's Script Archive is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Matt's Script Archive rather than just read about it. In short: Matt's Script Archive is a collection of CGI scripts written in the Perl programming language. Started in 1995 by Matt Wright (at the time a high school student in Fort Collins, Colorado), the archive contains about a dozen free scripts, designed to be easily added to a site and configured.

Key takeaways

Matt's Script Archive belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Matt's Script Archive to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Matt's Script Archive from memory before moving on to harder problems.

Reference excerpt

Matt's Script Archive is a collection of CGI scripts written in the Perl programming language. Started in 1995 by Matt Wright (at the time a high school student in Fort Collins, Colorado), the archive contains about a dozen free scripts, designed to be easily added to a site and configured. One of the scripts, FormMail, is claimed to be the most popular CGI script on the World Wide Web, with over 2 million downloads since 1997.

As the scripts grew in popularity they were criticized for being insecure. The FormMail.pl script, in particular, was exploited by spammers to send junk email. SecurityFocus put attacks based on FormMail.pl third in their list of the Top Attacks for the 1st Quarter of 2002. As Perl 5 became more mature, norms in the community changed to encourage use of modules such as CGI.pm and code safety features such as strictures and taint checking; the scripts in Matt's Script Archive, however, did not follow these changes, and as a result (and also because Matt Wright wrote much of the code when he was an inexperienced programmer) tend to be buggy. Experienced Perl programmers usually recommend against the use of these scripts, and the London Perl Mongers started an effort called "nms" to write drop-in replacements for them. Matt Wright himself has recommended using the nms scripts, saying:I would highly recommend downloading the nms versions if you wish to learn CGI programming. The code you find at Matt's Script Archive is not representative of how even I would code these days. Most of the scripts at Matt's Script Archive ceased to be updated after 1996, with the exception of security flaws or bugs.

Worked examples

Example 1 — a first encounter with Matt's Script Archive

Start with the simplest possible case. Write down what Matt's Script Archive claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Matt's Script Archive before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Matt's Script Archive ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Matt's Script Archive

In research: Matt's Script Archive appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Matt's Script Archive in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Matt's Script Archive is common in secondary-school and first-year university syllabi. It links to neighbouring topics History of the Internet, Software programmed in Perl, so understanding it makes those chapters shorter.
In everyday life: Look for Matt's Script Archive outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Matt's Script Archive in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Matt's Script Archive means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Matt's Script Archive out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Matt's Script Archive in simple terms?

Why does Matt's Script Archive matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Matt's Script Archive?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Matt's Script Archive.