sxy.prn is a lightweight, platform‑agnostic format that dramatically reduces file size and parsing overhead while preserving the essential information required to reconstruct synthetic gene‑circuit designs. Its simplicity fosters manual editing and rapid prototyping, and the high round‑trip fidelity demonstrates that it can serve as an interoperable bridge among current standards. We invite the synthetic‑biology community to adopt, critique, and extend sxy.prn as a complementary standard to SBOL.
"sxy.prn" appears to be a filename using a .prn extension. .prn historically denotes a print output file — plain text or printer language (PCL, PostScript, ESC/P) captured for later printing or transfer. The name "sxy" is ambiguous; possibilities include an application- or device-generated filename, an abbreviation (e.g., "sexy", "s/xy", or initials), or a dataset identifier. Below I describe typical characteristics of .prn files, how to inspect and interpret one named sxy.prn, common use cases, risks, and examples of commands to work with it.
Synthetic biology relies on the exchange of design information among heterogeneous tools (CAD, simulation, laboratory automation). Existing standards such as SBOL (Synthetic Biology Open Language) provide rich semantics but suffer from verbosity and steep learning curves for non‑programmers. Moreover, many laboratory workflows still use printer‑ready (PRN) files for quick visualization and manual editing, especially in low‑resource settings. sxy.prn
The goal of this work is to define a lightweight, human‑readable format—sxy.prn—that:
We describe the design principles, formal grammar, reference implementation, and a series of validation experiments. We describe the design principles, formal grammar, reference
copy /b sxy.prn \\printer) or print the converted PDF.| Situation | Steps |
|-----------|-------|
| You have a printer that understands the same language | 1. Open Command Prompt / Terminal.
2. Run: copy /b sxy.prn \\<printer‑share> (Windows) or lp -d printer_name sxy.prn (Linux/macOS). |
| You need to send it to a network printer | Use the printer’s IP address: lp -d //192.168.1.45 sxy.prn. |
| You only have a modern PDF‑only printer | Convert to PDF first (see §4.1) then print the PDF normally. |
Example A — sxy.prn is plain text (inspect and extract): by many CAD/graphics programs
Example B — sxy.prn is PostScript (convert to PDF):
Example C — sxy.prn is PCL (convert to PDF via GhostPCL):
Example D — sxy.prn is raw binary for a label printer:
| Aspect | Details | |--------|---------| | Format | Usually plain‑text (ASCII) or binary data in a printer‑specific language (e.g., PCL, PostScript, ESC/P, HPGL). | | Origin | Created by “Print to File” in Windows, by many CAD/graphics programs, or by export functions in specialized software. | | Purpose | Allows you to store the exact print job for later printing, archiving, or conversion. | | Common Uses | Archiving print jobs, sending to a remote printer, converting to PDF/ image, troubleshooting printer output. |