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Something

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end ! the war on tabs

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@igorwhiletrue

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I ❤ \t

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programming = art

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war on tabs

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\t = freedom

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\t

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No content

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(whitespace)

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decision procedure

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meta-interpreter in 2927 lines

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meta-interpreter in 2927 lines

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$ (cat examples/wsinterws.ws; cat examples/hworld.ws; echo -ne "\n\n\nquit\n \n\n") | hhvm bin/interpreter examples/wsinterws.ws whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- Hello, world of spaces!

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$ (cat examples/wsinterws.ws; cat examples/hworld.ws; echo -ne "\n\n\nquit\n \n\n") | hhvm bin/interpreter examples/wsinterws.ws whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- Hello, world of spaces!

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$ (cat examples/wsinterws.ws; cat examples/hworld.ws; echo -ne "\n\n\nquit\n \n\n") | hhvm bin/interpreter examples/wsinterws.ws whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- Hello, world of spaces!

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$ (cat examples/wsinterws.ws; cat examples/hworld.ws; echo -ne "\n\n\nquit\n \n\n") | hhvm bin/interpreter examples/wsinterws.ws whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- Hello, world of spaces!

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stack machine

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instruction set • stack: push, dup, ref, swap, discard, slide • arithmetic: add, sub, mul, div, mod • heap: store, retrieve • flow: label, call, jump, jumpz, jumplz, ret, exit • i/o: write_char, write_num, read_char, read_num

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encoded in terms of \t (9) \n (10) (32)

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domain specific language

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environmentally friendly

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read between the lines

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loop + switch = stack machine

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stack: push/pop

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arithmetic: + - * / %

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1 2 + 1 - 2 *

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1 1 2 + 1 - 2 *

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1 2 1 2 + 1 - 2 *

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3 1 2 + 1 - 2 *

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3 1 2 + 1 - 2 * 1

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2 1 2 + 1 - 2 *

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2 1 2 + 1 - 2 * 2

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4 1 2 + 1 - 2 *

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heap: store/retrieve

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0 1 2 3 0 33 store 1 retri eve 0 retri eve

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0 1 2 3 0 33 store 1 retri eve 0 retri eve

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0 1 2 3 0 33 store 1 retri eve 0 retri eve

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0 1 2 3 0 33 store 1 retri eve 0 retri eve 33

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0 1 2 3 0 33 store 1 retri eve 33 0 retri eve

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0 1 2 3 0 33 store 1 retri eve 33 0 retri eve

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0 1 2 3 0 33 store 1 retri eve 33 0 retri eve 0

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0 1 2 3 0 33 store 1 retri eve 33 0 retri eve

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0 1 2 3 0 33 store 1 retri eve 33 0 retri eve

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0 1 2 3 0 33 store 1 retri eve 33 0 retri eve 33

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control flow

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your CPU considered harmful

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label 0 0 + jump 0 0 1

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label 0 0 + jump 0 0 1

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label 0 0 + jump 0 0 1 1

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label 0 0 + jump 0 1 1

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label 0 0 + jump 0 1 1

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label 0 0 + jump 0 1 1

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label 0 0 + jump 0 1 1 1

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label 0 0 + jump 0 2 1

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label 0 0 + jump 0 2 1

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label 0 0 + jump 0 2 1

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label 0 0 + jump 0 2 1 1

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label 0 0 + jump 0 3 1

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label 0 0 + jump 0 3 1

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∞

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label 0 0 + jumpnz 0 0 1 dup 2 swap -

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label 0 0 + 0 1 dup 2 swap - jumpnz 0

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label 0 0 + 0 1 dup 2 swap - 1 jumpnz 0

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label 0 0 + 1 dup 2 swap - 1 jumpnz 0

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label 0 0 + 1 dup 2 swap - 1 1 jumpnz 0

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2 label 0 0 + 1 dup 2 swap - 1 1 jumpnz 0

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1 2 label 0 0 + 1 dup 2 swap - 1 jumpnz 0

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1 label 0 0 + 1 dup 2 swap - 1 jumpnz 0

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1 label 0 0 + 1 dup 2 swap - 1 jumpnz 0

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label 0 0 + 1 dup 2 swap - 1 jumpnz 0

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label 0 0 + 1 dup 2 swap - 1 jumpnz 0

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label 0 0 + 1 dup 2 swap - 1 jumpnz 0 1

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label 0 0 + 1 dup 2 swap - 2 jumpnz 0

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label 0 0 + 1 dup 2 swap - 2 jumpnz 0 2

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2 label 0 0 + 1 dup 2 swap - 2 jumpnz 0 2

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2 2 label 0 0 + 1 dup 2 swap - 2 jumpnz 0

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label 0 0 + 1 dup 2 swap - 2 jumpnz 0 0

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label 0 0 + 1 dup 2 swap - 2 jumpnz 0 0

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label 0 0 + 1 dup 2 swap - 2 jumpnz 0

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label 0 0 + 1 dup 2 swap - 2 jumpnz 0

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i/o

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turing completeness

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meta-interpreter

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$ (cat examples/wsinterws.ws; cat examples/hworld.ws; echo -ne "\n\n\nquit\n \n\n") | hhvm bin/interpreter examples/wsinterws.ws whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- Hello, world of spaces! CPU (x86)

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$ (cat examples/wsinterws.ws; cat examples/hworld.ws; echo -ne "\n\n\nquit\n \n\n") | hhvm bin/interpreter examples/wsinterws.ws whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- Hello, world of spaces! PHP interpreter (C)

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$ (cat examples/wsinterws.ws; cat examples/hworld.ws; echo -ne "\n\n\nquit\n \n\n") | hhvm bin/interpreter examples/wsinterws.ws whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- Hello, world of spaces! ws interpreter (PHP)

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$ (cat examples/wsinterws.ws; cat examples/hworld.ws; echo -ne "\n\n\nquit\n \n\n") | hhvm bin/interpreter examples/wsinterws.ws whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- Hello, world of spaces! ws interpreter (ws)

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$ (cat examples/wsinterws.ws; cat examples/hworld.ws; echo -ne "\n\n\nquit\n \n\n") | hhvm bin/interpreter examples/wsinterws.ws whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- Hello, world of spaces! ws interpreter (ws)

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$ (cat examples/wsinterws.ws; cat examples/hworld.ws; echo -ne "\n\n\nquit\n \n\n") | hhvm bin/interpreter examples/wsinterws.ws whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- Hello, world of spaces! hello world (ws)

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$ (cat examples/wsinterws.ws; cat examples/hworld.ws; echo -ne "\n\n\nquit\n \n\n") | hhvm bin/interpreter examples/wsinterws.ws whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- whitespace interpreter written in whitespace made by oliver burghard [email protected] in his free time for your and his joy good time and join me to get whitespace ready for business for any other information dial 1-900-whitespace or get soon info at www.whitespace-wants-to-be-taken-serious.org please enter the program and terminate via 3xenter,'quit',3xenter -- ws interpreter ws ------------------------------------------- Hello, world of spaces!

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hello, world of spaces

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do not want to hear your questions • joind.in/12146 • @igorwhiletrue ! • esolangs.org/wiki/Whitespace • compsoc.dur.ac.uk/whitespace • github.com/igorw/whitespace-php • github.com/igorw/wsm