PostScript - Text markup language

terminal edit

PostScript is a text markup language created in 1982 by John Warnock and Chuck Geschke and Doug Brotz and Ed Taft and Bill Paxton.

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PostScript (PS) is a page description language in the electronic publishing and desktop publishing business. It is a dynamically typed, concatenative programming language and was created at Adobe Systems by John Warnock, Charles Geschke, Doug Brotz, Ed Taft and Bill Paxton from 1982 to 1984.. Read more on Wikipedia...

Tags: text markup language
There are at least 8,053 PostScript repos on GitHub
Early development of PostScript happened in Adobe
The Google BigQuery Public Dataset GitHub snapshot shows 4k users using PostScript in 4k repos on GitHub
Explore PostScript snippets on Rosetta Code
PostScript on HOPL
PostScript appears in the TIOBE Index
PostScript Ubuntu package
Pygments supports syntax highlighting for PostScript
GitHub supports syntax highlighting for PostScript
PostScript appears in the Quine Relay project
See also: (8 related languages) Ghostscript, Lisp, PDF, ASCII, Tex, Forth, Reverse Polish notation, LaTeX
1 PLDB concepts link to PostScript: Interpress

Example from Riju:

(Hello, world!) =

Example from hello-world:

% run> gs -q -sDEVICE=nullpage postscript.ps
(Hello World\n) print quit

Example from the Hello World Collection:

% Hello World in Postscript
%!PS
/Palatino-Roman findfont
100 scalefont
setfont
100 100 moveto
(Hello World!) show
showpage

Example from Linguist:

%!PS-Adobe-3.0
%%Creator: Aaron Puchert
%%Title: The Sierpinski triangle
%%Pages: 1
%%PageOrder: Ascend

%%BeginProlog
% PAGE SETTINGS
/pageset {
  28.3464566 28.3464566 scale    % set cm = 1
  0.5 0.5 translate
  0 setlinewidth
} def

% sierpinski(n) draws a sierpinski triangle of order n
/sierpinski {
dup 0 gt {
  [0.5 0 0 0.5 0 0] concat dup 1 sub sierpinski
  [1 0 0 1 1 0] concat dup 1 sub sierpinski
  [1 0 0 1 -1 1] concat dup 1 sub sierpinski
  [2 0 0 2 0 -1] concat
} {
  newpath
    0 0 moveto
    1 0 lineto
    0 1 lineto
  closepath
  fill
} ifelse pop} def
%%EndProlog

%%BeginSetup
<< /PageSize [596 843] >> setpagedevice  % A4
%%EndSetup

%%Page: Test 1
pageset
[20 0 10 300 sqrt 0 0] concat
9 sierpinski
showpage
%%EOF

Example from Wikipedia:

/mm {360 mul 127 div} def
 0 0 moveto
 0 40 mm lineto stroke

Language features

Feature	Supported	Example	Token
MultiLine Comments	✓
Integers	✓	% (\-\|\+)?[0-9]+(?=[()<>\[\]{}/%\s])
Floats	✓	% (\-\|\+)?([0-9]+\.?\|[0-9]\.[0-9]+\|[0-9]+\.[0-9])((e\|E)[0-9]+)?(?=[()<>\[\]{}/%\s])
Hexadecimals	✓	% <[0-9A-Fa-f]+>(?=[()<>\[\]{}/%\s])
Octals	✓	% [0-9]+\#(\-\|\+)?([0-9]+\.?\|[0-9]\.[0-9]+\|[0-9]+\.[0-9])((e\|E)[0-9]+)?(?=[()<>\[\]{}/%\s])
Print() Debugging	✓		print
Line Comments	✓	% A comment	%
Postfix Notation	✓
Comments	✓
Semantic Indentation	X