Haskell How To Install Modules
HaskellHowToInstallModulesIt allows definition of custom configuration schemas modules, consisting of singlevalued and multivalued fields, either freetype or choice lists. I want to install pip. It should support Python 3, but it requires setuptools, which is available only for Python 2. How can I install pip with Python 3Getting Started with Eta Eta 0. In the following sections, well cover how to get Eta installed on your system and. Etlas projects. If at any point you get stuck with any of the steps. Gitter so we can. Installing EtaCurrently, there are a few ways of installing Eta Binary Installation. Source Installation. Docker Image. Nix Environment. Method 1 Binary InstallationEta Version 0. Etlas Version 1. The installation process works as follows You will download the etlas executable. As soon as you start using etlas, eta and the standard libraries will automatically be downloaded automatically for you on demand. You can run etlasupdate followed by etlasselectlatest to ensure you have the latest version of Eta. You can access the eta command directly via etlasexeceta args. You can install Etlas by following the steps below Make sure JDK 7 or above are installed on your system and java is on the PATH. Download the Etlas binary for your platform. Place the binary in in your PATH. Give the program executable permissions on Unix based systems. Start using it and it will download everything you need on demand. Haskell is a language with many implementations, of which two are in wide use. Hugs is an interpreter that is primarily used for teaching. Head over to Setting up your first Etlas Project. Method 2 Source InstallationPrerequisitesMake sure you have the listed toolslibraries installed on your system. Check the. OS specific sections for additional requirements. GeneralStack. Make sure the path that is obtained from running stackpath local bin is present on the PATH. JDK 1. 7 or JDK 1. Make sure javac and java are on the PATH. UbuntuInstall bz. Make sure locale is set to UTF8. LCALLenUS. UTF 8. LANGenUS. UTF 8. FedoraInstall b Open. SUSEInstall bz. OS XMake sure you have XCode installed and. XCode at least once. WindowsNote. An alternate method of installing Eta on Windows 1. WSL Windows sub system for Linux. Enable WSL within Windows InstructionsMinimum Windows version Version 1. Enter the root folder of WSL, and create a. Follow the source installation method. InstallationClone the repository and run the install script at the root of the repository. Replace current stable tag with the tag listed in the README of the eta repo. Note. If you omit the recursive flag to gitclone, you will need to. Once the installation is done, you will now have access to the following command line tools eta The main compileretlas The package manager and build tool. Check to ensure that they are on the PATH with the following commands eta version. If you obtain an error that either tool is missing, run the following command Add the path that you obtain in the output to your PATH environment variable. Method 3 Docker ImagePrerequisitesMake sure you have the following tools installed on your system InstallationTo obtain an environment with eta and etlas, run the following command docker run it typeleadeta. Method 4 Nix EnvironmentPrerequisitesMake sure you have the following tools installed on your system InstallationTo obtain an environment with eta and etlas, from directory of eta github cloned repository, run the following command nix shell A eta build shell. Updating EtaEta updates pretty fast and were incorporating new patches on a daily basis that. If you have Eta already installed, go to the root of this repositorys clone on. This will do a fresh installation, recompiling all the core libraries with the most. If you have existing Etlas projects, make sure you run etlas clean. Etlas. recognizes the updated libraries. Running Your First ProgramCreate a new file called Main. Mainwhereprimesfilter. Prime2. wherefilter. Primep xsp filter. Primexxlt xs,xmodp0mainput. Str. LnThe 1. 01st prime is showprimes Run the following command on the command line to compile the program This will compile the program to a standalone JAR with the Run prefix. Run the program with java Setting up your first Etlas ProjectWith Etlas, you dont have to worry about remembering all the particular flags to. You can simply specify what you want in a human readable format. Cabal. To learn more about the specification file format which is also used. Haskell ecosystem, read. Create a new directory called eta first and enter it. Initialize the project with Etlas. Package name default eta eta first. Package version default 0. Please choose a license 1 GPL 2 2 GPL 3 3 LGPL 2. LGPL 3 5 AGPL 3 6 BSD2 7 BSD3 8 MIT 9 ISC 1. MPL 2. 0 1. 1 Apache 2. Public. Domain 1. All. Rights. Reserved 1. Other specifyYour choice BSD3Author name Maintainer email Project homepage URLProject synopsis Project category 1 none 2 Codec 3 Concurrency 4 Control 5 Data 6 Database 7 Development 8 Distribution 9 Game 1. Graphics 1. 1 Language 1. Math 1. 3 Network 1. Sound 1. 5 System 1. Testing 1. 7 Text 1. Web 1. 9 Other specifyYour choice What does the package build 1 Library 2 Executable. Your choice 2. Source directory 1 none 2 src 3 Other specifyYour choice What base language is the package written in 1 Haskell. Haskell. 98 3 Other specifyYour choice Haskell. Add informative comments to each field in the cabal file yn Guessing dependencies. Generating LICENSE. Generating Setup. Generating Change. Log. md. Generating example. The project structure should look like this eta first src Main. Change. Log. md LICENSE eta first. Setup. hs. Add the files Main. Primes. hs in src as shown below. Main. hsmodule. Mainwhereimport. Primesmainput. Str. LnThe 1. 01st prime is showprimesPrimes. Primeswhereprimesfilter. Prime2. wherefilter. Primep xsp filter. Primexxlt xs,xmodp0Update eta first. Any additional modules you add to the project should be added at the same. Primes entry, but below it. To build run, execute this command Note. Note that this will create a JAR file without dependencies. This is. best suited for development. For production deployments, you may want to generate a standalone JAR. If you would like to generate an uberjar. These commands need only be run once to set the local Etlas configuration. To go back to shared mode for the project etlas clean. Beware that this can be very slow. Work is being done to. Learning EtaNow that youre set up with Eta, the next step is to learn about how to write Eta. If you are already familiar with haskell you can jump straight to the. Interacting with Java section in Eta Tutorials to learn about how to. Java libraries. If you are new to Haskell and pure functional programming in general, we suggest. Tour of Eta. Check the. Eta Blog for more tutorials and updates. For tutorials examples, see the following For a list of the currently supported Haskell Packages, see. Pandoc About pandoc. If you need to convert files from one markup format into another, pandoc is your swiss army knife. Pandoc can convert documents in several dialects of Markdown, re. Structured. Text, textile, HTML, Doc. Book, La. Te. X, Media. Wiki markup, TWiki markup, Tiki. Wiki markup, Creole 1. Vimwiki markup, OPML, Emacs Org Mode, Emacs Muse, txt. Microsoft Word docx, Libre. Office ODT, EPUB, or Haddock markup to. HTML formats. XHTML, HTML5, and HTML slide shows using Slidy, reveal. Slideous, S5, or DZSlides. Word processor formats. Microsoft Word docx, Open. OfficeLibre. Office ODT, Open. Document XMLEbooks. EPUB version 2 or 3, Fiction. Book. 2Documentation formats. Doc. Book version 4 or 5, TEI Simple, GNU Tex. Info, Groff man, Groff ms, Haddock markup. Archival formats. JATSPage layout formats. In. Design ICMLOutline formats. OPMLTe. X formats. La. Te. X, Con. Te. Xt, La. Te. X Beamer slides. PDFvia pdflatex, xelatex, lualatex, pdfroff, wkhtml. Lightweight markup formats. Markdown including Common. Mark and Git. Hub flavored Markdown, re. Template Blog Lost Saga. Structured. Text, Ascii. Doc, Emacs Org Mode, Emacs Muse, Textile, txt. Media. Wiki markup, Doku. Wiki markup, Tiki. Wiki markup, TWiki markup, Vimwiki markup, and Zim. Wiki markup. Custom formatscustom writers can be written in lua. Pandoc understands a number of useful markdown syntax extensions, including document metadata title, author, date footnotes tables definition lists superscript and subscript strikeout enhanced ordered lists start number and numbering style are significant running example lists delimited code blocks with syntax highlighting smart quotes, dashes, and ellipses markdown inside HTML blocks and inline La. Te. X. If strict markdown compatibility is desired, all of these extensions can be turned off. La. Te. X math and even macros can be used in markdown documents. Several different methods of rendering math in HTML are provided, including Math. Jax and translation to Math. ML. La. Te. X math is converted as needed by the output format to unicode, native Word equation objects, Math. ML, or groff eqn. Pandoc includes a powerful system for automatic citations and bibliographies, using pandoc citeproc which derives from Andrea Rossatos citeproc hs. This means that you can write a citation likesee doe. CSL styles including footnote styles, numerical styles, and author date styles, and add a properly formatted bibliography at the end of the document. Many forms of bibliography database can be used, including bibtex, RIS, End. Note, ISI, MEDLINE, MODS, and JSON citeproc. Citations work in every output format. There are many ways to customize pandoc to fit your needs, including a template system and a powerful system for writing filters. Pandoc includes a Haskell library and a standalone command line program. The library includes separate modules for each input and output format, so adding a new input or output format just requires adding a new module. Pandoc is free software, released under the GPL. Copyright 2. 00. 6 2. John Mac. Farlane.