Eltron Programming Language

Eltron Programming Language (EPL) is a printer control language used to produce printed labels for various Eltron model printers.

It was superseded by Zebra Programming Language (ZPL) after Zebra Technologies acquired Eltron.

EPL2

EPL2 is a markup, line-at-a-time language, suitable for printing on media of reduced space, and although it supports bitmaps (and therefore, arbitrary images), its use is usually for labels including barcode information.

Each EPL2 line starts with one or more letters (indicating the command), and may be followed by one or more comma-separated arguments. Commands and arguments are case-sensitive.

Arguments that are numeric or belong to a fixed set of options (see i.e. the reverse argument for A) are inlined, and any string or set of variable values must be surrounded by double-quotes (" - see i.e. the text argument for A).

gollark: ID spoofing is trivial because the IDs in rednet packets are literally just numbers it puts there.
gollark: Why is it in an "OS"?
gollark: How will this be secured?
gollark: You're going to require a layer of indirection like that why exactly?
gollark: So you don't even need a server particularly?

References
    • Git repository containing manuals for EPL and Java code
    • "EPL Programming Guide" (PDF). Retrieved 2014-06-03.
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