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1.1 ! root 1: .TH CHING 6 sola ! 2: .CT 1 games ! 3: .SH NAME ! 4: ching \- the book of changes ! 5: .SH SYNOPSIS ! 6: .B /usr/games/ching ! 7: [ ! 8: .I hexagram ! 9: ] ! 10: .SH DESCRIPTION ! 11: The ! 12: .I "I Ching" ! 13: or ! 14: .I "Book of Changes" ! 15: is an ancient Chinese oracle ! 16: that has been in use for ! 17: centuries ! 18: as a source of wisdom ! 19: and advice. ! 20: .PP ! 21: The text of the ! 22: .I oracle ! 23: (as it is sometimes known) ! 24: consists of sixty-four ! 25: .I hexagrams, ! 26: each symbolized ! 27: by a particular ! 28: arrangement of ! 29: six straight ! 30: .B --- ! 31: and broken ! 32: .B -\ - ! 33: lines. ! 34: These lines ! 35: have values ranging ! 36: from six through nine, ! 37: with the even ! 38: values indicating ! 39: the broken lines. ! 40: .PP ! 41: Each hexagram ! 42: consists of two major sections. ! 43: The `Judgement' relates specifically ! 44: to the matter at hand ! 45: (E.g., ! 46: `It furthers one to have somewhere to go.') ! 47: while the ! 48: `Image' describes the general attributes ! 49: of the hexagram and how they apply ! 50: to one's own life ! 51: (`Thus the superior man ! 52: makes himself strong and untiring.'). ! 53: .PP ! 54: When any of the lines ! 55: have the values six or nine, ! 56: they are moving lines; ! 57: for each there is an appended ! 58: judgement which ! 59: becomes significant. ! 60: Furthermore, the moving lines ! 61: are inherently unstable and ! 62: change into their opposites; ! 63: a second hexagram ! 64: (and thus an additional judgement) ! 65: is formed. ! 66: .PP ! 67: Normally, one consults the oracle ! 68: by fixing the desired question ! 69: firmly in mind ! 70: and then casting a set of changes ! 71: (lines) using yarrow-stalks ! 72: or tossed coins. ! 73: The resulting hexagram will be the answer ! 74: to the question. ! 75: .PP ! 76: Using an algorithm ! 77: suggested by S. C. Johnson, ! 78: the Unix ! 79: oracle simply reads a question ! 80: from the standard input ! 81: (up to an EOF) ! 82: and hashes the individual characters ! 83: in combination with other indicia ! 84: which happen to be lying ! 85: around the system. ! 86: The resulting value ! 87: is used as the seed ! 88: of a random number generator ! 89: which drives a simulated ! 90: coin-toss divination. ! 91: The answer appears on the ! 92: standard output. ! 93: .PP ! 94: For those who wish ! 95: to remain steadfast ! 96: in the old traditions, ! 97: the oracle will also accept ! 98: the results of a personal ! 99: divination using, ! 100: for example, coins. ! 101: To do this, ! 102: cast the change ! 103: and then type the ! 104: resulting line values ! 105: as an argument. ! 106: .PP ! 107: The impatient modern may prefer to settle for ! 108: Chinese cookies; try ! 109: .IR fortune (1). ! 110: .SH "SEE ALSO" ! 111: It furthers one to see the great man. ! 112: .SH DIAGNOSTICS ! 113: The great prince issues commands, ! 114: .br ! 115: Founds states, vests families with fiefs. ! 116: .br ! 117: Inferior people should not be employed. ! 118: .SH BUGS ! 119: Waiting in the mud ! 120: .br ! 121: Brings about the arrival of the enemy. ! 122: .PP ! 123: If one is not extremely careful, ! 124: .br ! 125: Somebody may come up from behind and strike him. ! 126: .br ! 127: Misfortune.
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