Visualizing series (take 2):

 >> a: "12345"

     @  1  |  2  |  3  |  4  |  5  |

 >> z: "abcde"

     @  a  |  b  |  c  |  d  |  e  |

 >> b: find a 3  ; remember, 'find probably 'forms that 3

     |  1  |  2  @  3  |  4  |  5  |

 >> index? b

     1     2    (3)    4     5     6  -- index
     |  1  |  2  @  3  |  4  |  5  |

     3

 >> copy/part a b

     @  1  |  2  |  3  |  4  |  5  |
     |  1  |  2  @  3  |  4  |  5  |
     <----------->

     @  1  |  2  |

 >> skip a 3  ; next next next a

     |  1  |  2  |  3  @  4  |  5  |
     @-----1-----2-----3>

 >> copy/part a 3

     @  1  |  2  |  3  |  4  |  5  |
    <@-----1-----2-----3>

     @  1  |  2  |  3  |

 >> c: find/tail a 3

     |  1  |  2  |  3  @  4  |  5  |

 >> copy/part a c

     @  1  |  2  |  3  |  4  |  5  |
     |  1  |  2  |  3  @  4  |  5  |
     <----------------->

     @  1  |  2  |  3  |


On Dec 17, 2007, at 4:48 AM, Giuseppe Chillemi wrote:

>>> a: "12345"
>>>
>>> probe index? find a => 3
>>>
>>> probe copy/part a 3 => "123"
>>>
>>> probe copy/part a find a "3" => "12"

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