Hvad er ELP-filformatet?
En .elp-fil er et projekt oprettet med eXeLearning, eLearning XHTML-editoren. eXeLearning er et open source-forfatterværktøj, der lader lærere opbygge interaktive, webbaserede lektioner uden at skrive markup i hånden. Projektet startede under New Zealands Tertiary Education Commission omkring 2004 og blev senere moderniseret af Spaniens INTEF og et bredere fællesskab.
På trods af filtypenavnet .elp er filen et ZIP-arkiv. Indeni skal den indeholde mindst tre elementer: content.data, content.xsd og contentv3.xml, sammen med eventuelle billeder, lyd eller video placeret i lektionen. Da det er en ZIP, kan du omdøbe den til .zip og pakke den ud for at inspicere delene.
Det vigtigste at forstå er, at en .elp er en redigerbar kildefil, ikke en færdig side. En elev kan ikke dobbeltklikke på den for at se materialet; projektet skal åbnes i editoren eller eksporteres først.
Sikkerhed og tryghed
RISIKO: LOWAn .elp is a data/project file, not an executable, so opening it does not run code. Because it is a ZIP that can embed HTML, JavaScript and media, only open files from trusted sources, and extract with tools that guard against ZIP path-traversal. Legacy eXe versions are unmaintained, so prefer current eXeLearning builds for security patches.
Formatdetaljer
kort fortalt- eCommerce Landing Page (Synthrone Crafter) - A document format from Synthrone Crafter storing e-commerce page content such as text, images and forms; it superseded the earlier .rpc format. This is the label FileInfo uses, but it is a minor, niche use of the extension.
- HotRecorder audio - Obsolete proprietary audio format once produced by HotRecorder for recording VoIP calls; no longer supported.
- Polhemus 3D location data - Motion/position data files associated with Polhemus 3D tracking and Neuroscan Curry workflows.
Programmer der åbner ELP-filer
.zip (or open it directly) in 7-Zip to inspect content.data, contentv3.xml and the embedded media without eXeLearning. .elp project to edit its pages and iDevices. .elp files that rely on the contentv3.xml manifest. .elp as an archive to extract and inspect its XML and resource files. .elp from the File menu to keep editing the lesson. unzip project.elp -d project/ to extract the archive and read contentv3.xml directly. .elp via File > Open to edit it. .elp in the browser without installing the desktop app. Tekniske detaljer
dyb specifikation| Encoding | Binary ZIP container wrapping UTF-8 XML |
| Container | ZIP (DEFLATE) |
| Compression | ZIP DEFLATE |
| Typical size | Tens of KB to several MB depending on embedded images and media |
| Structure | A ZIP archive that must contain at least three members: content.data (serialized project data), content.xsd (schema definition) and contentv3.xml (the content manifest). Embedded images, audio, video and other resources are stored alongside these files. |
| Integrity | ZIP per-entry CRC-32 |
| Platforms | Windows, macOS, Linux |
| Notes | Renaming an .elp to .zip lets you unpack and inspect the project. It is an editable authoring source file, not a final publishable format; teachers export it to SCORM, IMS or HTML for delivery. Modern eXeLearning 3+ builds use a related .elpx variant with a content.xml manifest based on the ODE 2.0 specification. |
| Udgivet | 2004 |
| Seneste version | contentv3.xml schema (eXeLearning 2.x); newer projects use the .elpx variant |
| Specifikation | exelearning.net |
ELP-konverteringer
Fællesskabets Q&A
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