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Internet Message Format  |  1991-02-19  |  25KB
  1. From: gregm@otc.otca.oz.au (Greg McFarlane)
  2. Newsgroups: comp.sources.misc
  3. Subject: v17i009:  maze-via-vi - maze solving vi macros, Part01/01
  4. Message-ID: <1991Feb20.045212.17372@sparky.IMD.Sterling.COM>
  5. Date: 20 Feb 91 04:52:12 GMT
  6. Approved: kent@sparky.imd.sterling.com
  7. X-Checksum-Snefru: 50329ddd 403d0bfd 0e327166 92cb83eb
  8.  
  9. Submitted-by: Greg McFarlane <gregm@otc.otca.oz.au>
  10. Posting-number: Volume 17, Issue 9
  11. Archive-name: maze-via-vi/part01
  12.  
  13. A real working model. See it walk the maze in front of your very own eyes.
  14.  
  15. To prove that you can do anything in vi, I wrote a couple of macros that
  16. allows vi to solve mazes. It will solve any maze produced by maze.c
  17. that was posted to the alt.sources last month. (Maze.c is also included
  18. in this posting as well as an example of its output.)
  19.  
  20. The uncommented version of the macros was sent to alt.sources last month.
  21. However, so many people mailed me requesting the commented version of the
  22. macros that I decided to post it. I have made some modifications to the
  23. original macros to make them easier to follow and also after I learnt
  24. that you can escape the special meaning of '|' in macros by using '^V|'.
  25.  
  26. After studying these macros, anyone who cannot write an emacs emulator
  27. in vi macros should just curl up and :q!.
  28.  
  29. Greg
  30.  
  31. ---- Cut Here and unpack ----
  32. #!/bin/sh
  33. # This is maze_solving_vi_macros, a shell archive (shar 3.32)
  34. # made 02/07/1991 14:24 UTC by gregm@otc.otca.oz.au
  35. # Source directory /n/arrakis/u/sysdev/gregm/vi.macros
  36. #
  37. # existing files will NOT be overwritten
  38. #
  39. # This shar contains:
  40. # length  mode       name
  41. # ------ ---------- ------------------------------------------
  42. #   1666 -rw-rw-r-- maze.README
  43. #  16793 -rw-rw-r-- maze.vi.macros.uu
  44. #    481 -rw-rw-r-- maze.out
  45. #    441 -rw-rw-r-- maze.c
  46. #    441 -rw-rw-r-- maze.ansi.c
  47. #
  48. if touch 2>&1 | fgrep 'amc' > /dev/null
  49.  then TOUCH=touch
  50.  else TOUCH=true
  51. fi
  52. # ============= maze.README ==============
  53. if test X"$1" != X"-c" -a -f 'maze.README'; then
  54.     echo "File already exists: skipping 'maze.README'"
  55. else
  56. echo "x - extracting maze.README (Text)"
  57. sed 's/^X//' << 'SHAR_EOF' > maze.README &&
  58. XTo prove that you can do anything in vi, I wrote a couple of macros that
  59. Xallows vi to solve mazes. It will solve any maze produced by maze.c
  60. Xthat was posted to the net recently.
  61. X
  62. XJust follow this recipe and SEE FOR YOURSELF.
  63. X    1. run uudecode on the file "maze.vi.macros.uu" to
  64. X        produce the file "maze.vi.macros"
  65. X    (If you can't wait to see the action, jump to step 4)
  66. X    2. compile maze.c with "cc -o maze maze.c"
  67. X    3. run maze > maze.out and input a small number (for example 10 if
  68. X        you are on a fast machine, 3-5 if slow) which
  69. X        is the size of the maze to produce
  70. X    4. edit the maze (vi maze.out)
  71. X    5. include the macros with the vi command:
  72. X        :so maze.vi.macros
  73. X    6. type the letter "g" (for "go") and watch vi solve the maze
  74. X    7. when vi solves the maze, you will see why it lies
  75. X    8. now look at maze.vi.macros and all will be revealed
  76. X
  77. XTested on a sparc, a sun and a pyramid (although maze.c will not compile
  78. Xon the pyramid).
  79. X
  80. XAnyone who can't get the maze.c file to compile, get a new compiler,
  81. Xtry maze.ansi.c which was also posted to the net.
  82. XIf you can get it to compile but the maze comes out looking like a fence
  83. Xand not a maze and you are using SysV or DOS replace the "27" on the
  84. Xlast line of maze.c by "11"
  85. XThanks to John Tromp (tromp@piring.cwi.nl) for maze.c.
  86. XThanks to antonyc@nntp-server.caltech.edu (Bill T. Cat) for maze.ansi.c.
  87. X
  88. XAny donations should be in unmarked small denomination bills :^)=.
  89. X
  90. X                   ACSnet:  gregm@otc.otca.oz.au
  91. XGreg McFarlane       UUCP:  {uunet,mcvax}!otc.otca.oz.au!gregm
  92. X|||| OTC ||         Snail:  OTC R&D GPO Box 7000, Sydney 2001, Australia
  93. X                    Phone:  +61 2 287 3139    Fax: +61 2 287 3299
  94. X
  95. X
  96. SHAR_EOF
  97. $TOUCH -am 0208005691 maze.README &&
  98. chmod 0664 maze.README ||
  99. echo "restore of maze.README failed"
  100. set `wc -c maze.README`;Wc_c=$1
  101. if test "$Wc_c" != "1666"; then
  102.     echo original size 1666, current size $Wc_c
  103. fi
  104. fi
  105. # ============= maze.vi.macros.uu ==============
  106. if test X"$1" != X"-c" -a -f 'maze.vi.macros.uu'; then
  107.     echo "File already exists: skipping 'maze.vi.macros.uu'"
  108. else
  109. echo "x - extracting maze.vi.macros.uu (Text)"
  110. sed 's/^X//' << 'SHAR_EOF' > maze.vi.macros.uu &&
  111. Xbegin 664 maze.vi.macros
  112. XM(B!4:&5S92!M86-R;W,@)W-O;'9E)R!A;GD@;6%Z92!P<F]D=6-E9"!B>2!T
  113. XM:&4@82UM87IE+6EN9R!M87IE+F,@<')O9W)A;2X*(B *(B!&:7)S="P@82!B
  114. XM:70@;V8@;6%Z92!T:&5O<GDN"B(@268@>6]U('=E<F4@<'5T(&EN=&\@82!M
  115. XM87IE+"!A(&=U87)A;G1E960@;65T:&]D(&]F(&9I;F1I;F<@>6]U<B!W87D*
  116. XM(B!O=70@;V8@=&AE(&UA>F4@:7,@=&\@<'5T('EO=7(@;&5F="!H86YD(&]N
  117. XM=&\@82!W86QL(&%N9"!J=7-T(&ME97 @=V%L:VEN9RP*(B!N979E<B!T86MI
  118. XM;F<@>6]U<B!H86YD(&]F9B!T:&4@=V%L;"X@5&AI<R!T96-H;FEQ=64@:7,@
  119. XM;VYL>2!G=6%R86YT965D('1O"B(@=V]R:R!I9B!T:&4@;6%Z92!D;V5S(&YO
  120. XM="!H879E(&%N>2 G:7-L86YD<R<L(&]R(&EF('1H92 G97AI="<@:7,@;VX@
  121. XM=&AE"B(@<V%M92!I<VQA;F0@87,@>6]U<B!S=&%R=&EN9R!P;VEN="X@5&AE
  122. XM<V4@8V]N9&ET:6]N<R!H;VQD(&9O<B!T:&4@;6%Z97,*(B!U;F1E<B!C;VYS
  123. XM:61E<F%T:6]N+@HB( HB($%S<W5M:6YG('1H870@=&AE(&UA>F4@:7,@;6%D
  124. XM92!U<"!O9B!H;W)I>F]N=&%L(&%N9"!V97)T:6-A;"!W86QL<R!S<&%C960*
  125. XM(B!O;F4@<W1E<"!A<&%R="!A;F0@=&AA="!Y;W4@8V%N(&UO=F4@96ET:&5R
  126. XM(&YO<G1H+"!S;W5T:"P@96%S="!O<B!W97-T+ HB('1H96X@>6]U(&-A;B!A
  127. XM=71O;6%T92!T:&ES('!R;V-E9'5R92!B>2!C87)R>6EN9R!O=70@=&AE(&9O
  128. XM;&QO=VEN9R!S=&5P<RX*(B *(B Q+B!0=70@>6]U<G-E;&8@<V]M97=H97)E
  129. XM(&EN('1H92!M87IE(&YE87(@82!W86QL+@HB(#(N($-H96-K(&EF('EO=2!H
  130. XM879E(&$@=V%L;"!O;B!Y;W5R(&QE9G0N($EF('-O+"!G;R!T;R!S=&5P(#0N
  131. XM"B(@,RX@5&AE<F4@:7,@;F\@=V%L;"!O;B!Y;W5R(&QE9G0L('-O('1U<FX@
  132. XM;VX@=&AE('-P;W0@=&\@>6]U<B!L969T(&%N9"!S=&5P"B(@(" @9F]R=V%R
  133. XM9"!B>2!O;F4@<W1E<"!A;F0@<F5P96%T('-T97 @,BX*(B T+B!#:&5C:R!W
  134. XM:&%T(&ES(&1I<F5C=&QY(&EN(&9R;VYT(&]F('EO=2X@268@:70@:7,@82!W
  135. XM86QL+"!T=7)N(&]N('1H90HB(" @('-P;W0@=&\@>6]U<B!R:6=H="!B>2 Y
  136. XM,"!D96=R965S(&%N9"!R97!E870@<W1E<" T+@HB(#4N(%1H97)E(&ES(&YO
  137. XM('=A;&P@:6X@9G)O;G0@;V8@>6]U+"!S;R!S=&5P(&9O<G=A<F0@;VYE('-T
  138. XM97 @86YD"B(@(" @9V\@=&\@<W1E<" R+@HB( HB($EN('1H:7,@=V%Y('EO
  139. XM=2!W:6QL(&-O=F5R(&%L;"!T:&4@8V]R<FED;W)S(&]F('1H92!M87IE("AU
  140. XM;G1I;"!Y;W4@9V5T(&)A8VL*(B!T;R!W:&5R92!Y;W4@<W1A<G1E9"!F<F]M
  141. XM+"!I9B!Y;W4@9&\@;F]T('-T;W I+@HB( HB($)Y(&5X86UI;FEN9R!A(&UA
  142. XM>F4@<')O9'5C960@8GD@=&AE(&UA>F4N8R!P<F]G<F%M('EO=2!W:6QL('-E
  143. XM92!T:&%T( HB(&5A8V@@<W%U87)E(&]F('1H92!M87IE(&ES(&]N92!C:&%R
  144. XM86-T97(@:&EG:"!A;F0@='=O(&-H87)A8W1E<G,@=VED92X*(B!4;R!G;R!N
  145. XM;W)T:"!O<B!S;W5T:"P@>6]U(&UO=F4@8GD@82!O;F4@8VAA<F%C=&5R('-T
  146. XM97 L(&)U="!T;R!M;W9E(&5A<W0@;W(*(B!W97-T('EO=2!M;W9E(&)Y(&$@
  147. XM='=O(&-H87)A8W1E<B!S=&5P+B!!;'-O(&YO=&4@=&AA="!I;B!A;GD@<&]S
  148. XM:71I;VX*(B!T:&5R92!A<F4@9F]U<B!P;&%C97,@=VAE<F4@=V%L;',@8V]U
  149. XM;&0@8F4@<'5T("T@=&\@=&AE(&YO<G1H+"!T;R!T:&4@<V]U=&@L"B(@=&\@
  150. XM=&AE(&5A<W0@86YD('1O('1H92!W97-T+@HB($$@=V%L;"!E>&ES=',@=&\@
  151. XM=&AE(&YO<G1H(&]F('EO=2!I9B!T:&4@8VAA<F%C=&5R('1O('1H92!N;W)T
  152. XM:"!O9@HB('EO=2!I<R!A(%\@*&]T:&5R=VES92!I="!I<R!A('-P86-E*2X*
  153. XM(B!!('=A;&P@97AI<W1S('1O('1H92!E87-T(&]F('EO=2!I9B!T:&4@8VAA
  154. XM<F%C=&5R('1O('1H92!E87-T(&]F('EO=0HB(&ES(&$@?" H;W1H97)W:7-E
  155. XM(&ET(&ES(&$@+BDN"B(@02!W86QL(&5X:7-T<R!T;R!T:&4@=V5S="!O9B!Y
  156. XM;W4@:68@=&AE(&-H87)A8W1E<B!T;R!T:&4@=V5S="!O9B!Y;W4*(B!I<R!A
  157. XM('P@*&]T:&5R=VES92!I="!I<R!A("XI+@HB($$@=V%L;"!E>&ES=',@=&\@
  158. XM=&AE('-O=71H(&]F('EO=2!I9B!T:&4@8VAA<F%C=&5R('=H97)E('EO=2!A
  159. XM<F4*(B!I<R!A(%\@*&]T:&5R=VES92!I="!I<R!A('-P86-E*2X*(B *(B!.
  160. XM;W1E('1H92!D:69F97)E;F-E(&9O<B!D:7)E8W1I;VX@<V]U=&@L('=H97)E
  161. XM('=E(&UU<W0@97AA;6EN92!T:&4@8VAA<F%C=&5R"B(@=VAE<F4@=&AE(&-U
  162. XM<G-O<B!I<R!R871H97(@=&AA;B!A;B!A9&IA8V5N="!C96QL+@HB( HB($EF
  163. XM('EO=2!W97)E(&EM<&QE;65N=&EN9R!T:&4@86)O=F4@<')O8V5D=7)E(&ES
  164. XM(&$@;F]R;6%L(&-O;7!U=&5R(&QA;F=U86=E"B(@>6]U(&-O=6QD('5S92!A
  165. XM(&QO;W @=VET:"!I9B!S=&%T96UE;G1S(&%N9"!C;VYT:6YU92!S=&%T96UE
  166. XM;G1S+" *(B!(;W=E=F5R+"!T:&5S92!C;VYS=')U8W1S(&%R92!N;W0@879A
  167. XM:6QA8FQE(&EN('9I(&UA8W)O<R!S;R!)(&AA=F4@=7-E9 HB(&$@<W1A=&4@
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  171. XM(B!Y;W5R(&QE9G0N"B(@"B(@5&AE('1R86YS:71I;VX@9G)O;2!S=&%T92!T
  172. XM;R!S=&%T92!A;F0@=&AE(&%C=&EO;G,@=&%K96X@;VX@96%C:"!T<F%N<VET
  173. XM:6]N"B(@87)E(&=I=F5N(&EN('1H92!S=&%T92!T86)L92!B96QO=RX*(B!4
  174. XM:&4@;F%M97,@;V8@=&AE('-T871E<R!A<F4@3C$L($XR+"!3,2P@4S(L($4Q
  175. XM+"!%,BP@5S$L(%<R+"!W:&5R92!E86-H(&QE='1E<@HB('-T86YD<R!F;W(@
  176. XM82!D:7)E8W1I;VX@;V8@=&AE(&-O;7!A<W,L('1H92!N=6UB97(@,2!I;F1I
  177. XM8V%T97,@=&AA="!T:&4@=V4*(B!H879E(&YO="!Y970@8VAE8VME9"!T;R!S
  178. XM964@:68@=&AE<F4@:7,@82!W86QL(&]N(&]U<B!L969T(&%N9"!T:&4@;G5M
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  180. XM97)E(&ES(&$@=V%L;"!O;B!O=7(@;&5F="X*(B *(B!&;W(@96%C:"!S=&%T
  181. XM92!W92!M=7-T(&-O;G-I9&5R('1H92!E>&ES=&5N8V4@;W(@;F]T(&]F(&$@
  182. XM=V%L;"!I;B!A"B(@<&%R=&EC=6QA<B!D:7)E8W1I;VXN(%1H:7,@9&ER96-T
  183. XM:6]N(&ES(&=I=F5N(&EN('1H92!F;VQL;W=I;F<@=&%B;&4N"B(@"B(@3F5X
  184. XM=$-H87(@=&%B;&4Z"B(@<W1A=&4@(" @(" @(&1I<F5C=&EO;B @(" @("!V
  185. XM:2!C;VUM86YD<PHB("!.,2 @(" @(" @(" @(" @5R @(" @(" @(" @(" @
  186. XM(&A&"B(@($XR(" @(" @(" @(" @("!.(" @(" @(" @(" @(" @:T8*(B @
  187. XM4S$@(" @(" @(" @(" @($4@(" @(" @(" @(" @("!L1@HB("!3,B @(" @
  188. XM(" @(" @(" @4R @(" @(" @(" @(" @($8*(B @13$@(" @(" @(" @(" @
  189. XM($X@(" @(" @(" @(" @("!K1@HB("!%,B @(" @(" @(" @(" @12 @(" @
  190. XM(" @(" @(" @(&Q&"B(@(%<Q(" @(" @(" @(" @("!3(" @(" @(" @(" @
  191. XM(" @1@HB("!7,B @(" @(" @(" @(" @5R @(" @(" @(" @(" @(&A&"B(@
  192. XM"B(@=VAE<F4@1B!I<R!A(&UA8W)O('=H:6-H('EA;FMS('1H92!C:&%R86-T
  193. XM97(@=6YD97(@=&AE(&-U<G-O<B!I;G1O"B(@=&AE($YE>'1#:&%R(')E9VES
  194. XM=&5R("AN*2X*(B *(B!3=&%T92!T86)L93H*(B!);B!T:&4@)W9I(&-O;6UA
  195. XM;F1S)R!C;VQU;6X@:7,@9VEV96X@=&AE(&%C=&EO;G,@=&\@8V%R<GD@;W5T
  196. XM('=H96X@:6X*(B!T:&ES('-T871E(&%N9"!T:&4@3F5X=$-H87(@:7,@87,@
  197. XM9VEV96XN(%1H92!C;VUM86YD<R!K+"!J+"!L;"P@:&@@;6]V90HB('1H92!C
  198. XM=7)R96YT('!O<VET:6]N(&YO<G1H+"!S;W5T:"P@96%S="!A;F0@=V5S="!R
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  200. XM+6]P(&-O;6UA;F0N"B(@26X@=&AE("=N97AT('-T871E)R!C;VQU;6X@:7,@
  201. XM9VEV96X@=&AE(&YE=R!S=&%T92!O9B!T:&4@;6%C:&EN92!A9G1E<@HB('1H
  202. XM92!A8W1I;VX@:7,@8V%R<FEE9"!O=70N"B(@"B(@8W5R<F5N="!S=&%T92 @
  203. XM(" @(" @3F5X=$-H87(@(" @=FD@8V]M;6%N9',@(&YE>'0@<W1A=&4*(B @
  204. XM(" @($XQ(" @(" @(" @(" @(" @(" N(" @(" @(" @(" @:&@@(" @(" @
  205. XM(" @5S$*(B @(" @($XQ(" @(" @(" @(" @(" @("!\(" @(" @(" @(" @
  206. XM;6T@(" @(" @(" @3C(*(B @(" @($XR(" @(" @(" @(" @(" @("!?(" @
  207. XM(" @(" @(" @;6T@(" @(" @(" @13$*(B @(" @($XR(" @(" @(" @(" @
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  356. XM("=R)R H=&AE(')E<&QA8V4@=FD@8V]M;6%N9"D*;6%P(%8@("!A<AL*(@HB
  357. XM/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]
  358. XM/3T]/3T]/3T]/3T]/3T]/3T]/0HB($H@+2!R97-T;W)E('1H92!C=7)R96YT
  359. XM(&-H87)A8W1E<@IM87 @2B @(")C< HB"B(]/3T]/3T]/3T]/3T]/3T]/3T]
  360. XM/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]
  361. XM"B(@2" M('EA;FL@=&AI<R!L:6YE(&EN=&\@=&AE('-E8V]N9"!-86-R;R!R
  362. XM96=I<W1E<@IM87 @2" @(")R>20*(@HB/3T]/3T]/3T]/3T]/3T]/3T]/3T]
  363. XM/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/0HB
  364. XM($8@+2!Y86YK($YE>'1#:&%R("AT:&ES(&UA8W)O(&ES(&-A;&QE9"!F<F]M
  365. XM('1H92!-86-R;R!R96=I<W1E<BD*;6%P($8@(" B;GEL"B(*(CT]/3T]/3T]
  366. XM/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]
  367. XM/3T]/3T]/3T]/3T*(B!>("T@<F5P;&%C92!T:&4@8W5R<F5N="!C:&%R86-T
  368. XM97(@=VET:"!A;B G6"<*;6%P(%X@("!R6 HB"B(]/3T]/3T]/3T]/3T]/3T]
  369. XM/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]/3T]
  370. XM/3T]"B(@64ME1% @+2!C<F5A=&4@=&AE('-T871E('1A8FQE+"!.97AT0VAA
  371. XM<B!T86)L92!A;F0@:6YI=&EA;"!S=&%T90HB($YO=&4@=&AA="!Y;W4@:&%V
  372. XM92!T;R!E<V-A<&4@=&AE(&)A<B!C:&%R86-T97(L('-I;F-E(&ET(&ES('-P
  373. XM96-I86P@=&\*(B!T:&4@;6%P(&-O;6UA;F0@*&ET(&EN9&EC871E<R!A(&YE
  374. XM=R!L:6YE*2X*;6%P(%D@("!O<T4Q("!K("!.,2 @(" @("!S13%?(&UM($4R
  375. XM(" @(" @('-%,A9\(&UM(%,Q(" @(" @('-%,BX@;&P@13$;"FUA<"!+(" @
  376. XM;W-7,2 @:B @4S$@(" @(" @<U<Q7R!M;2!7,B @(" @("!S5S(6?"!M;2!.
  377. XM,2 @(" @("!S5S(N(&AH(%<Q&PIM87 @92 @(&]S3C$N(&AH(%<Q(" @(" @
  378. XM('-.,19\(&UM($XR(" @(" @('-.,B @:R @3C$@(" @(" @<TXR7R!M;2!%
  379. XM,1L*;6%P($0@("!O<U,Q+B!L;"!%,2 @(" @("!S4S$6?"!M;2!3,B @(" @
  380. XM("!S4S(@(&H@(%,Q(" @(" @('-3,E\@;6T@5S$;"FUA<"!0(" @;VY%,2!K
  381. XM1B!N13(@;$8@;E<Q($<D2D8@;E<R(&A&(&Y.,2!H1B!N3C(@:T8@;E,Q(&Q&
  382. X/(&Y3,B!')$I&( U%,1L*
  383. X 
  384. Xend
  385. SHAR_EOF
  386. $TOUCH -am 0208003691 maze.vi.macros.uu &&
  387. chmod 0664 maze.vi.macros.uu ||
  388. echo "restore of maze.vi.macros.uu failed"
  389. set `wc -c maze.vi.macros.uu`;Wc_c=$1
  390. if test "$Wc_c" != "16793"; then
  391.     echo original size 16793, current size $Wc_c
  392. fi
  393. fi
  394. # ============= maze.out ==============
  395. if test X"$1" != X"-c" -a -f 'maze.out'; then
  396.     echo "File already exists: skipping 'maze.out'"
  397. else
  398. echo "x - extracting maze.out (Text)"
  399. sed 's/^X//' << 'SHAR_EOF' > maze.out &&
  400. X._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
  401. X| ._| . . ._| | |_._._. . ._|_._._._._. ._|_. ._|_._. ._| | . ._|_. | .
  402. ._._. |
  403. X| ._|_| |_. | | | | ._._|_._|_._. . |_. | | | ._._| |_._._._| | ._. ._|
  404. . . |_|
  405. X|_._._._. | ._|_. ._._._. | | ._. |_._. . | ._._| |_. | . ._._._. |_. |
  406. |_|_| |
  407. X| | . |_._| . ._._._| ._._. ._._| | | |_| . | |_. . ._|_|_| ._._.
  408. |_._|_| . | |
  409. X|_._|_._._._|_._._._|_|_._._._|_._|_._._._|_._._._|_._._._._|_._._._._._._|_._
  410. |
  411. X|
  412. SHAR_EOF
  413. $TOUCH -am 0208012491 maze.out &&
  414. chmod 0664 maze.out ||
  415. echo "restore of maze.out failed"
  416. set `wc -c maze.out`;Wc_c=$1
  417. if test "$Wc_c" != "481"; then
  418.     echo original size 481, current size $Wc_c
  419. fi
  420. fi
  421. # ============= maze.c ==============
  422. if test X"$1" != X"-c" -a -f 'maze.c'; then
  423.     echo "File already exists: skipping 'maze.c'"
  424. else
  425. echo "x - extracting maze.c (Text)"
  426. sed 's/^X//' << 'SHAR_EOF' > maze.c &&
  427. Xchar*M,A,Z,E=40,J[40],T[40];main(C){for(*J=A=scanf(M="%d",&C);
  428. X--            E;             J[              E]             =T
  429. X[E   ]=  E)   printf("._");  for(;(A-=Z=!Z)  ||  (printf("\n|"
  430. X)    ,   A    =              39              ,C             --
  431. X)    ;   Z    ||    printf   (M   ))M[Z]=Z[A-(E   =A[J-Z])&&!C
  432. X&    A   ==             T[                                  A]
  433. X|6<<27<rand()||!C&!Z?J[T[E]=T[A]]=E,J[T[A]=A-Z]=A,"_.":" |"];}
  434. SHAR_EOF
  435. $TOUCH -am 0109150191 maze.c &&
  436. chmod 0664 maze.c ||
  437. echo "restore of maze.c failed"
  438. set `wc -c maze.c`;Wc_c=$1
  439. if test "$Wc_c" != "441"; then
  440.     echo original size 441, current size $Wc_c
  441. fi
  442. fi
  443. # ============= maze.ansi.c ==============
  444. if test X"$1" != X"-c" -a -f 'maze.ansi.c'; then
  445.     echo "File already exists: skipping 'maze.ansi.c'"
  446. else
  447. echo "x - extracting maze.ansi.c (Text)"
  448. sed 's/^X//' << 'SHAR_EOF' > maze.ansi.c &&
  449. Xchar*M,A,Z,E=40,J[80],T[3];main(C){for(M=J+E,*J=A=scanf("%d",&
  450. XC)            ;--            E;J             [E            ]=M
  451. X[E   ]=  E)   printf("._");  for(;(A-=Z=!Z)  ||  (printf("\n|"
  452. X)    ,   A    =              39              ,C             --
  453. X)    ;   Z    ||    printf   (T   ))T[Z]=Z[A-(E   =A[J-Z])&&!C
  454. X&    A   ==             M[                                  A]
  455. X|6<<11<rand()||!C&!Z?J[M[E]=M[A]]=E,J[M[A]=A-Z]=A,"_.":" |"];}
  456. SHAR_EOF
  457. $TOUCH -am 0125132891 maze.ansi.c &&
  458. chmod 0664 maze.ansi.c ||
  459. echo "restore of maze.ansi.c failed"
  460. set `wc -c maze.ansi.c`;Wc_c=$1
  461. if test "$Wc_c" != "441"; then
  462.     echo original size 441, current size $Wc_c
  463. fi
  464. fi
  465. exit 0
  466. -- 
  467.  
  468.                    ACSnet:  gregm@otc.otca.oz.au
  469. Greg McFarlane       UUCP:  {uunet,mcvax}!otc.otca.oz.au!gregm
  470. |||| OTC ||         Snail:  OTC R&D GPO Box 7000, Sydney 2001, Australia
  471.                     Phone:  +61 2 287 3139    Fax: +61 2 287 3299
  472.  
  473.  
  474.  
  475. exit 0 # Just in case...
  476. -- 
  477. Kent Landfield                   INTERNET: kent@sparky.IMD.Sterling.COM
  478. Sterling Software, IMD           UUCP:     uunet!sparky!kent
  479. Phone:    (402) 291-8300         FAX:      (402) 291-4362
  480. Please send comp.sources.misc-related mail to kent@uunet.uu.net.
  481.