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7
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1 " Macros to play Conway's Game of Life in vi
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2 " Version 1.0m: edges wrap
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1618
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3 " by Eli-the-Bearded Benjamin Elijah Griffin <vim@eli.users.panix.com>
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4 " Sept 1996
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7
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5 " This file may be free distributed so long as these credits remain unchanged.
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6 "
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7 " Modified by Bram Moolenaar (Bram@vim.org), 1996 Sept 10
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8 " - Made it quite a bit faster, but now needs search patterns in the text
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9 " - Changed the order of mappings to top-down.
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10 " - Made "g" run the whole thing, "C" run one generation.
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11 " - Added support for any uppercase character instead of 'X'
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12 "
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13 " Rules:
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14 " If a germ has 0 or 1 live neighbors it dies of loneliness
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15 " If a germ has 2 or 3 live neighbors it survives
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16 " If a germ has 4 to 8 live neighbors it dies of starvation
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17 " If an empty box has 3 live neighbors a new germ is born
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18 "
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19 " A new born germ is an "A". Every generation it gets older: B, C, etc.
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20 " A germ dies of old age when it reaches "Z".
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21 "
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22 " Notice the rules do not mention edges. This version has the edges wrap
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23 " around. I have an earlier version that offers the option of live edges or
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24 " dead edges. Email me if you are interested. -Eli-
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25 "
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26 " Note: This is slow! One generation may take up to ten minutes (depends on
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27 " your computer and the vi version).
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28 "
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29 " Quite a lot of the messy stuff is to work around the vi error "Can't yank
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30 " inside global/macro". Still doesn't work for all versions of vi.
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31 "
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32 " To use these macros:
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33 "
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34 " vi start vi/vim
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35 "
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36 " :so life.mac Source this file
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37 "
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38 " g 'g'o! runs everything until interrupted: "IR".
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39 "
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40 " I Initialize everything. A board will be drawn at the end
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41 " of the current buffer. All line references in these macros
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42 " are relative to the end of the file and playing the game
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43 " can be done safely with any file as the current buffer.
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44 "
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45 " Change the left field with spaces and uppercase letters to suit
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46 " your taste.
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47 "
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48 " C 'C'ompute one generation.
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49 " + idem, time running one generation.
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50 " R 'R'un 'C'ompute until interrupted.
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51 " i<nr><Esc>z Make a number the only thing on the current line and use
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52 " 'z' to time that many generations.
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53 "
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54 " Time to run 30 generations on my 233 AMD K6 (FreeBSD 3.0):
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55 " vim 5.4 xterm 51 sec
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56 " gvim 5.4 Athena 42 sec
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57 " gvim 5.4 Motif 42 sec
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58 " gvim 5.4 GTK 50 sec
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59 " nvi 1.79 xterm 58 sec
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60 " vi 3.7 xterm 2 min 30 sec
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61 " Elvis 2.1 xterm 7 min 50 sec
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62 " Elvis 2.1 X11 6 min 31 sec
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63 "
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64 " Time to run 30 generations on my 850 AMD Duron (FreeBSD 4.2):
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65 " vim 5.8 xterm 21 sec
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66 " vim 6.0 xterm 24 sec
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67 " vim 6.0 Motif 32 sec
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68 " nvi 1.79 xterm 29 sec
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69 " vi 3.7 xterm 32 sec
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70 " elvis 2.1.4 xterm 34 sec
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71 "
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72 " And now the macros, more or less in top-down order.
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73 "
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74 " ----- macros that can be used by the human -----
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75 "
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76 " 'g'o: 'I'nitialize and then 'R'un 'C'ompute recursively (used by the human)
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77 map g IR
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78 "
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79 "
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80 " 'R'un 'C'ompute recursively (used by the human and 'g'o)
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81 map R CV
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82 " work around "tail recursion" problem in vi, "V" == "R".
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83 map V R
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84 "
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85 "
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86 " 'I'nitialize the board (used by the human and 'g'o)
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87 map I G)0)0)0)0)1)0)0)2)0)0)0)0,ok,-11k,-,R,IIN
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88 "
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89 "
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90 " 'C'ompute next generation (used by the human and others)
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91 map C T>>>>>>>>B&
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92 "
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93 "
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94 " Time running one generation (used by the human)
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95 map + <1C<2
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96 "
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97 "
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98 " Time running N generations, where N is the number on the current line.
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99 " (used by the human)
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100 map z ,^,&,*,&<1,*<2
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101 "
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102 " ----- END of macros that can be used by the human -----
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103 "
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104 " ----- Initialisation -----
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105 "
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106 map ,- :s/./-/g
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107 map ,o oPut 'X's in the left box, then hit 'C' or 'R'
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108 map ,R 03stop
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109 "
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110 " Write a new line (used by 'I'nitialize board)
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20115
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111 " In remembrance of John Conway, 26 December 1937 – 11 April 2020.
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112 map )0 o- --....................--....................-
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20115
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113 map )1 o- JOHN CONWAY --....................--....................-
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114 map )2 o- LIVES --....................--....................-
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115 "
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116 "
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117 " Initialisation of the pattern/command to execute for working out a square.
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118 " Pattern is: "#<germ><count>"
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119 " where <germ> is " " if the current germ is dead, "X" when living.
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120 " <count> is the number of living neighbours (including current germ)
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121 " expressed in X's
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122 "
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123 map ,Il8 O#XXXXXXXXXX .`a22lr
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124 map ,Id8 o# XXXXXXXX .`a22lr
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125 map ,Il7 o#XXXXXXXXX .`a22lr
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126 map ,Id7 o# XXXXXXX .`a22lr
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127 map ,Il6 o#XXXXXXXX .`a22lr
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128 map ,Id6 o# XXXXXX .`a22lr
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129 map ,Il5 o#XXXXXXX .`a22lr
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130 map ,Id5 o# XXXXX .`a22lr
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131 map ,Il4 o#XXXXXX .`a22lr
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132 map ,Id4 o# XXXX .`a22lr
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133 map ,Il3 o#XXXXX .,a
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134 map ,Id3 o# XXX .`a22lrA
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135 map ,Il2 o#XXXX .,a
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136 map ,Id2 o# XX .`a22lr
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137 map ,Il1 o#XXX .`a22lr
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138 map ,Id1 o# X .`a22lr
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139 map ,Il0 o#XX .`a22lr
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140 map ,Id0 o# .`a22lr
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141 "
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14999
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142 " Patterns used to replace a germ with its next generation
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143 map ,Iaa o=AB =BC =CD =DE =EF =FG =GH =HI =IJ =JK =KL =LM =MN =NO =OP =PQ =QR
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144 map ,Iab o=RS =ST =TU =UV =VW =WX =XY =YZ =Z
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145 "
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146 " Insert the searched patterns above the board
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147 map ,IIN G?^top
,Il8,Id8,Il7,Id7,Il6,Id6,Il5,Id5,Il4,Id4,Il3,Id3,Il2,Id2,Il1,Id1,Il0,Id0,Iaa,Iab
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148 "
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149 " ----- END of Initialisation -----
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150 "
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151 " ----- Work out one line -----
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152 "
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153 " Work out 'T'op line (used by show next)
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154 map T G,c2k,!9k,@,#j>2k,$j
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155 "
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156 " Work out 'B'ottom line (used by show next)
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157 map B ,%k>,$
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158 "
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159 " Work out a line (used by show next, work out top and bottom lines)
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160 map > 0 LWWWWWWWWWWWWWWWWWW,rj
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161 "
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162 " Refresh board (used by show next)
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163 map & :%s/^\(-[ A-Z]*-\)\(-[ A-Z]*-\)\(-[.]*-\)$/\2\3\3/
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164 "
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165 "
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166 " Work around vi multiple yank/put in a single macro limitation
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167 " (used by work out top and/or bottom line)
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168 map ,$ dd
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169 map ,% "cp
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170 map ,! "byy
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171 map ,@ "cyy
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172 map ,# "bP
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173 map ,c c$
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174 "
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175 " ----- END of Work out one line -----
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176 "
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177 " ----- Work out one square -----
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178 "
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179 " The next three work out a square: put all nine chars around the current
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180 " character on the bottom line (the bottom line must be empty when starting).
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181 "
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182 " 'W'ork out a center square (used by work out line)
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183 map W makh,3`ah,3`ajh,3(
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184 "
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185 "
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186 " Work out a 'L'eft square (used by work out line)
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187 map L makf-h,1`ak,2`af-h,1`a,2`ajf-h,1`aj,2(
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188 "
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189 "
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190 " Work out a 'R'ight square (used by work out line)
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191 map ,r makh,2`akF-l,1`ah,2`aF-l,1`ajh,2`ajF-l,1(
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192 "
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193 " 'M'ove a character to the end of the file (used by all work out square
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194 " macros)
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195 "
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196 map ,1 y G$p
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197 map ,2 2y G$p
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198 map ,3 3y G$p
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199 "
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200 "
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201 " ----- END of Work out one square -----
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202 "
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203 " ----- Work out one germ -----
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204 "
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205 " Generate an edit command that depends on the number of living in the last
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206 " line, and then run the edit command. (used by work out square).
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207 " Leaves the cursor on the next character to be processed.
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208 "
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209 map ( ,s,i,X0i?^#A
0,df.l,Y21h
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210 "
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211 " Delete 's'paces (deads);
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212 " The number of remaining characters is the number of living neighbours.
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213 map ,s :.g/ /s///g
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214 "
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215 " Insert current character in the last line
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216 map ,i `ay GP
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217 "
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218 " Replace any uppercase letter with 'X';
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219 map ,X :.g/[A-Z]/s//X/g
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220 "
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221 " Delete and execute the rest of the line
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222 map ,d "qd$@q
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223 "
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224 " Yank and execute the rest of the line
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225 map ,Y "qy$@q
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226 "
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227 " Yank the character under the cursor
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228 map ,j y
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229 "
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230 " Put the current cut buffer after the cursor
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231 map ,m p
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232 "
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233 " Delete the character under the cursor
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234 map ,n x
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235 "
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14999
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236 " Replace a character by its next, A --> B, B --> C, etc.
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237 map ,a `a,jGi?=,ma
0,dll,j`a21l,ml,nh
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238 "
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239 " ----- END of Work out one germ -----
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240 "
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241 " ----- timing macros -----
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242 "
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243 " Get current date (used by time a generation)
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244 map << :r!date
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245 map <1 G?^top
O<<
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246 map <2 G?^top
k<<
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247 "
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248 "
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249 " Turn number on current line into edit command (used by time N generations)
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250 map ,^ AiC
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251 "
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252 "
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253 " Delete current line and save current line (used by time N generations)
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254 map ,& 0"gd$
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255 "
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256 "
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257 " Run saved line (used by time N generations)
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258 map ,* @g
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259 "
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260 " ----- END of timing macros -----
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261 "
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262 " End of the macros.
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