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1 (4 10 ` 100 1,000 / / Makefile Makefile 2 1 Makefile `100 1 ` ` UNIX UNIX 1 UNIX MAGAZINE

2 `! 1 (completion % ftp abra.cadabra.co.jp % make % telnet abra.cadabra.co.jp `abra `abra.cadabra.co.jp `Reactive Keyboard Reactive Keyboard Reactive Keyboard 2 RK / sh 3 RK % setenv SHELL /bin/sh % rk Welcome to the Reactive Keyboard, $ ^ J 1 ` 2 ftp://ftp.cpsc.ucalgary.ca/pub/projects/the.reactive.key board/ [3] [2] 3 Reactive Keyboard /bin/sh `ˆJ RK RK RK / `echo masuí $ echo masui^ J echo $ e cho masui^j `echo masuí Control-S `echo masuí date `d $ de cho masui^j `d `e `a $ das ui^j echo `a `s `s `u... `te $ datec ho masui^j date $ d ate^j `e UNIX MAGAZINE

3 $ ec ho masui^j $ ftp abra.cadabra.co.jp `ab $ telnet ab r a.cadabra.co.jp^j Reactive Keyboard RK 1 PPM PPM PPM (Prediction by Partial Match [1] PPM 1 `abracadabra a b 2 c 1 d 1 4 gzip compress ` (lossless JPEG ` (lossy 5 a b c d 2 a 50% b 25% c d 12.5% a 0 b 10 c 100 d = ` 6 compress gzip ra c 1 bra c 1 1 b a c a b c b 2/5 a 1/5 c 1/5 1/5 1/( PPM gzip Reactive Keyboard RK PPM RK date date ps date ps ps 3 UNIX MAGAZINE

4 1 2 print (a This is a sample \TeX\ text file. The area from the first line to the end of this paragraph should be commented out using the comment character '%'. (a %! PS-Adobe-2.0 %% BoundingBox: %% Creator: masui %% Title: PS header % ^N ^A % ^N ^A p r i n t " ^E \ n " ; ^N ^A p r i (b (c (d % This is a sample \TeX\ text file. % The area from the first line to the end of this paragraph should be commented out using the comment character '%'. REPEAT ( % ^N ^A % This is a sample \TeX\ text file. % The area from the first line to the end % of this paragraph should be commented out using the comment character '%'. REPEAT ( % ^N ^A % This is a sample \TeX\ text file. % The area from the first line to the end % of this paragraph should be commented % out using the comment character '%'. (b (c (d print "%! PS-Adobe-2.0\n"; pri%% BoundingBox: %% Creator: masui %% Title: PS header REPEAT ( n t " ^E \ n " ; ^N ^A print "%! PS-Adobe-2.0\n"; print "%% BoundingBox: \n"; %% Creator: masui %% Title: PS header REPEAT ( p r i n t " ^E \ n " ; ^N ^A print "%! PS-Adobe-2.0\n"; print "%% BoundingBox: \n"; print "%% Creator: masui\n"; %% Title: PS header RK RK 7 RK `Dynamic Macro Dynamic Macro Dynamic Macro[4] GNU Emacs ` Emacs Lisp 7 RK 1-b 1-c 1-d Dynamic Macro 2-a PostScript print 2-b 2-c d Dynamic Macro Dynamic Macro GNU Emacs recent-keys 100 Dynamic Macro.emacs ( dmacro-key UNIX MAGAZINE

5 Emacs / / Dynamic Macro Dynamic Macro ` Dynamic Macro Dynamic Macro 1 `Undo 1 Undo ebcalc Perl C F F = C 9/5+32 ebcalc 10 % ebcalc 0 10 * 9 / = ebcalc `= ebcalc 32 = ` `20 20 = 20 9/ `30 = 30 9/ ebcalc 10 3 ebcalc 5 UNIX MAGAZINE

6 `2**= `2 `2.2= `2.16= ebcalc ebcalc ebcalc $exp = masui/papers/pbesurvey/ Dynamic Macro ebcalc /masui/unixmagazine/ POBox CSL [ ] [1]T. C. Bell, J. G. Cleary and I. H. Witten, Text Compression, Prentice Hall, 1990 [2]John J. Darragh and Ian H. Witten, The Reactive Keyboard, Cambridge University Press, 1992 [3]John J. Darragh, Ian H. Witten and Mark L. James, The Reactive Keyboard: A predictive typing aid, IEEE Computer, Vol.23, No.11, pp.41 49, November 1990 [4] Vol.11 No.6 pp UNIX MAGAZINE

7 Dynamic Macro (dmacro.el ;; ;; ;;.emacs ;; ;; (defconst *dmacro-key* "\C-t" " " ;; (global-set-key *dmacro-key* dmacro-exec ;; (autoload dmacro-exec "dmacro" nil t (defvar *dmacro-str* nil " " (setq dmacro-keys (concat *dmacro-key* *dmacro-key* (defun dmacro-exec ( " " (interactive (let ((s (dmacro-get (if (null s (message " " (execute-kbd-macro s UNIX MAGAZINE

8 (defun dmacro-event (e (cond ((integerp e e ((eq e backspace 8 ((eq e tab 9 ((eq e enter 13 ((eq e return 13 ((eq e escape 27 ((eq e delete 127 (t 0 (defun dmacro-recent-keys ( (let ((s (recent-keys (if (stringp s s (concat (mapcar dmacro-event s (defun dmacro-get ( (let ((rkeys (dmacro-recent-keys str (if (string= dmacro-keys (substring rkeys (- (length dmacro-keys *dmacro-str* (setq str (dmacro-search (substring rkeys 0 (- (length *dmacro-key* (if (null str (setq *dmacro-str* nil (let ((s1 (car str (s2 (cdr str (setq *dmacro-str* (concat s2 s1 (setq last-kbd-macro *dmacro-str* (if (string= s1 "" *dmacro-str* s1 (defun dmacro-search (string (let* ((str (string-reverse string (sptr 1 (dptr0 (string-search (substring str 0 sptr str sptr (dptr dptr0 maxptr (while (and dptr0 (not (string-search *dmacro-key* (substring str sptr dptr0 (if (= dptr0 sptr (setq maxptr sptr (setq sptr (1+ sptr (setq dptr dptr0 (setq dptr0 (string-search (substring str 0 sptr str sptr (if (null maxptr (let ((predict-str (string-reverse (substring str (1- sptr dptr (if (string-search *dmacro-key* predict-str nil (cons predict-str (string-reverse (substring str 0 (1- sptr (cons "" (string-reverse (substring str 0 maxptr (defun string-reverse (str (concat "" (reverse (mapcar (function (lambda (x x str (defun string-search (pat str &optional start 7 UNIX MAGAZINE

9 (let* ((len (length pat (max (- (length str len p found (setq p (if start start 0 (while (and (not found (<= p max (setq found (string= pat (substring str p (+ p len (if (not found (setq p (1+ p (if found p nil UNIX MAGAZINE

10 ebcalc #!/usr/local/bin/perl require cbreak2.pl ; &cbreak; $ = 1; while(1{ $s = getc; next if $s eq ; last if $s eq "\003"; &calculator($s; &cooked; print "\n"; sub calculator { local($_ if(/[\d\.]/{ if($prev =~ /=/{ $value = $operator = ; $exp = $rest = unless $undomode; $arg = if $prev!~ /[\d\.]/; $arg.= $_; $exp.= $_ unless $undomode; &display($arg; elsif(/[\010\177]/{ if($prev =~ /[\d\.\010\177]/ &&! $undomode{ if(length($arg > 0{ chop($arg; &display($arg; else { if(! $undomode{ $undomode = 1; $rest = $d = ; if($exp =~ /^(.*[^\d\.]?([\d\.]+([^\d\.]*$/{ $exp = $1; $rest = $3.$d.$rest; $d = $2; &display($d; elsif(/[\+\*\-\/]/{ if($undomode{ $undomode = 0; $value = $operator = ; $exp = $arg; $rest = ; unless($prev =~ /=/{ $value = $operator? eval "$value $operator $arg" : $arg; $operator = $_; $exp.= $_; &display($value; elsif(/=/{ if(! $undomode{ $value = eval "$value $operator $arg"; $exp.= $_; &display($value; else { $expbak = $exp; $restbak = $rest; $t = $exp. $arg. $rest; $exp = $rest = $value = $operator = $arg = ; $undomode = 0; $prev = ; while($t =~ s/.//{ &calculator($&; $exp = $expbak; $rest = $restbak; $undomode = 1; elsif(/c/i{ $value = $operator = ; $exp = $rest = ; $undomode = 0; &display(0; $prev = $_; sub display { local($v print "$v\n"; UNIX MAGAZINE

Lisp Basic Example Test Questions

2009 November 30 Lisp Basic Example Test Questions 1. Assume the following forms have been typed into the interpreter and evaluated in the given sequence. ( defun a ( y ) ( reverse y ) ) ( setq a (1 2