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CoffeeScript
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Perl

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CoffeeScript vs Perl: What are the differences?

What is CoffeeScript? Unfancy JavaScript. CoffeeScript is a little language that compiles into JavaScript. Underneath that awkward Java-esque patina, JavaScript has always had a gorgeous heart. CoffeeScript is an attempt to expose the good parts of JavaScript in a simple way.

What is Perl? Highly capable, feature-rich programming language with over 26 years of development. Perl is a general-purpose programming language originally developed for text manipulation and now used for a wide range of tasks including system administration, web development, network programming, GUI development, and more.

CoffeeScript and Perl can be primarily classified as "Languages" tools.

"Easy to read", "Faster to write" and "Syntactic sugar" are the key factors why developers consider CoffeeScript; whereas "Lots of libraries", "Open source" and "Text processing" are the primary reasons why Perl is favored.

CoffeeScript and Perl are both open source tools. It seems that CoffeeScript with 15.2K GitHub stars and 1.99K forks on GitHub has more adoption than Perl with 435 GitHub stars and 152 GitHub forks.

According to the StackShare community, CoffeeScript has a broader approval, being mentioned in 364 company stacks & 170 developers stacks; compared to Perl, which is listed in 133 company stacks and 64 developer stacks.

What is CoffeeScript?

It adds syntactic sugar inspired by Ruby, Python and Haskell in an effort to enhance JavaScript's brevity and readability. Specific additional features include list comprehension and de-structuring assignment.

What is Perl?

Perl is a general-purpose programming language originally developed for text manipulation and now used for a wide range of tasks including system administration, web development, network programming, GUI development, and more.
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What are some alternatives to CoffeeScript and Perl?
JavaScript
JavaScript is most known as the scripting language for Web pages, but used in many non-browser environments as well such as node.js or Apache CouchDB. It is a prototype-based, multi-paradigm scripting language that is dynamic,and supports object-oriented, imperative, and functional programming styles.
TypeScript
TypeScript is a language for application-scale JavaScript development. It's a typed superset of JavaScript that compiles to plain JavaScript.
ES6
Goals for ECMAScript 2015 include providing better support for large applications, library creation, and for use of ECMAScript as a compilation target for other languages. Some of its major enhancements include modules, class declarations, lexical block scoping, iterators and generators, promises for asynchronous programming, destructuring patterns, and proper tail calls.
Babel
Babel will turn your ES6+ code into ES5 friendly code, so you can start using it right now without waiting for browser support.
jQuery
jQuery is a cross-platform JavaScript library designed to simplify the client-side scripting of HTML.
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Decisions about CoffeeScript and Perl
Seth Ammons
Seth Ammons
Principal Software Developer at SendGrid · | 10 upvotes · 22K views
atTwilio SendGridTwilio SendGrid
Go
Go
Docker
Docker
Perl
Perl
#CodeCollaborationVersionControl
#ContinuousIntegration

In addition to our fancy Docker setup, we have captured and sanitized production logs for the behavior of our legacy Perl MTA, and we can test that the log output from the new Go version behaves the same way as the old version. These tests are set up to allow us to switch between the legacy and new version of the MTA and ensure that both systems behave in a legacy-compatible way. Not only can we ensure that we operate against a variety of issues we've seen over time from inboxes, but we know that the newest version of our MTA continues to cover all the same expected behaviors of the legacy version. #CodeCollaborationVersionControl #ContinuousIntegration

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Jake Stein
Jake Stein
CEO at Stitch · | 15 upvotes · 150.9K views
atStitchStitch
AngularJS
AngularJS
React
React
CoffeeScript
CoffeeScript
JavaScript
JavaScript
ES6
ES6

Stitch’s frontend is used to configure data sources and destinations and monitor the status of each. Although we have been using AngularJS since its early days, we recently introduced React components into our front end, which many of our developers find easier to work with. We started using CoffeeScript when it was one of the few options for a more expressive alternative to vanilla JavaScript, but today we opt to instead write new code in ES6, which we feel is a more mature alternative.

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Eli Hooten
Eli Hooten
CTO at Codecov · | 13 upvotes · 77.2K views
atCodecovCodecov
TypeScript
TypeScript
JavaScript
JavaScript
CoffeeScript
CoffeeScript
Vue.js
Vue.js
Visual Studio Code
Visual Studio Code

We chose TypeScript at Codecov when undergoing a recent rewrite of a legacy front end. Our previous front end was a mishmash of vanilla JavaScript and CoffeeScript , and was expanded upon haphazardly as the need arose. Without a unifying set of paradigms and patterns, the CoffeeScript and JavaScript setup was proving hard to maintain and expand upon by an engineering team. During a move to Vue.js , we decided to also make the move to TypeScript. Integrating TypeScript and Vue.js is fairly well understood at this point, so the setup wasn't all that difficult, and we felt that the benefits of incorporating TypeScript would outweigh the required time to set it up and get our engineering team up to speed.

Choosing to add TypeScript has given us one more layer to rely on to help enforce code quality, good standards, and best practices within our engineering organization. One of the biggest benefits for us as an engineering team has been how well our IDEs and editors (e.g., Visual Studio Code ) integrate with and understand TypeScript . This allows developers to catch many more errors at development time instead of relying on run time. The end result is safer (from a type perspective) code and a more efficient coding experience that helps to catch and remove errors with less developer effort.

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Gustavo Muñoz
Gustavo Muñoz
Web UI Developer at Globant · | 2 upvotes · 6.9K views
Angular 2
Angular 2
TypeScript
TypeScript
React
React
Flow (JS)
Flow (JS)
JavaScript
JavaScript
CoffeeScript
CoffeeScript
#Angular
#ECMA

Long ago when Angular 2 evolved I had to decide between the new #Angular and TypeScript or React. I really love typing my code, but forced to use TypeScript was a bit too much. I prefer the new #ECMA standard and the evolution of the old and reliable JavaScript. So finding Flow (JS) was an incredible milestone in my career as a developer. Finally, I could use types in my code, and JavaScript with the new standard. I already had the experience of CoffeeScript, so TypeScript was not an option.

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Robert Zuber
Robert Zuber
CTO at CircleCI · | 4 upvotes · 13.3K views
atCircleCICircleCI
CoffeeScript
CoffeeScript
Hubot
Hubot
Go
Go
Slack
Slack

We have added very little to the CoffeeScript Hubot application – just enough to allow it to talk to our Hubot workers. The Hubot workers implement our operational management functionality and expose it to Hubot so we can get chat integration for free. We’ve also tailored the authentication and authorization code of Hubot to meet the needs of roles within our team.

For larger tasks, we’ve got an internal #CLI written in Go that talks to the same #API as Hubot, giving access to the same functionality we have in Slack, with the addition of scripting, piping, and all of our favorite #Unix tools. When the Hubot worker recognizes the CLI is in use, it logs the commands to Slack to maintain visibility of operational changes.

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TypeScript
TypeScript
CoffeeScript
CoffeeScript
JavaScript
JavaScript
Flow (JS)
Flow (JS)

From a StackShare community member: "We are looking to rewrite our outdated front-end with TypeScript. Right now we have a mix of CoffeeScript and vanilla JavaScript. I have read that adopting TypeScript can help enforce better code quality, and best practices. I also heard good things about Flow (JS). Which one would you recommend and why?"

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Interest over time
Reviews of CoffeeScript and Perl
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How developers use CoffeeScript and Perl
Avatar of Perljobs.Ru
Perljobs.Ru uses PerlPerl

The whole backend part (deployment and other scripts, business logic, web interface) is written in Perl.

Весь бэкенд (скрипты деплоя и прочие, бизнес-логика, веб-интерфейс) написан на Perl.

Avatar of Oomba
Oomba uses CoffeeScriptCoffeeScript

All of our Javascript code is first written in CoffeeScript for ease of reading / writing. It is compiled to Javascript before being minified and served to the client.

Avatar of John Galbraith
John Galbraith uses PerlPerl

I use Perl to rip through log files and compare them to some signature files I have created. When I get a match, it adds the bad guy to the list of shame in MySQL.

Avatar of opening.io
opening.io uses CoffeeScriptCoffeeScript

All front-end / back-end is driven by Coffeescript. For the main ReactJS functionality JSX is embedded with coffee in .cjsx files / handled by Browserify.

Avatar of Jeff Flynn
Jeff Flynn uses CoffeeScriptCoffeeScript

We like CoffeeScript because it's more readable, we use it because we have a lot of libraries and functions already (plays nicely with Rails, too)

Avatar of Alexander Karelas
Alexander Karelas uses PerlPerl

A very expressive language, lets you say the same thing in many different ways

Avatar of Chris Hartwig
Chris Hartwig uses CoffeeScriptCoffeeScript

All our code is CoffeeScript, blending seemlessly in our JS stack

Avatar of Publitory
Publitory uses CoffeeScriptCoffeeScript

Javascript is a hell. We use coffeescript for its readability.

Avatar of rapt.fm
rapt.fm uses PerlPerl

We use perl with rex to control our distributed systems.

Avatar of ssshake
ssshake uses PerlPerl

I use perl on some legacy applications.

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