What is MIME type "text/x-rsrc"?
A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.
The MIME type text/x-rsrc signals that a file contains R programming language code. It indicates plain text content meant for R resources. Files such as R, RD, or RSX use this designation.
This type helps systems and applications identify and correctly handle R source files. It informs text editors and integrated development environments (IDEs) that they should apply R-specific syntax highlighting and formatting.
- Syntax Highlighting: Editors use the MIME type to color code commands and improve readability.
- Code Processing: Tools detect the file as plain text with R source to execute or run statistical routines.
- File Association: Operating systems and file managers use it to match file types with programs designed for R code.
For more details on the R environment, visit the R Project website. Additional insights on MIME types can be found at reliable technical resources online.
Associated file extensions
Usage Examples
HTTP Header
When serving content with this MIME type, set the Content-Type header:
Content-Type: text/x-rsrc
HTML
In HTML, you can specify the MIME type in various elements:
<a href="file.dat" type="text/x-rsrc">Download file</a>
Server-side (Node.js)
Setting the Content-Type header in Node.js:
const http = require('http');
http.createServer((req, res) => {
res.setHeader('Content-Type', 'text/x-rsrc');
res.end('Content here');
}).listen(3000);
Associated file extensions
FAQ
What is a MIME type?
A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.
MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.
MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.
How do I find the MIME type for a file?
You can check the file extension or use a file identification tool such as file --mime-type
on the command line. Many programming languages also provide libraries to detect MIME types.
Why are multiple MIME types listed for one extension?
Different applications and historical conventions may use alternative MIME identifiers for the same kind of file. Showing them all helps ensure compatibility across systems.