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   comp.lang.forth      Forth programmers eat a lot of Bratwurst      117,927 messages   

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   Message 116,861 of 117,927   
   albert@spenarnc.xs4all.nl to dxforth@gmail.com   
   Re: Parsing timestamps?   
   08 Oct 24 09:41:07   
   
   In article <1f433fabcb4d053d16cbc098dedc6c370608ac01@i2pn2.org>,   
   dxf   wrote:   
   >Is there an easier way of doing this?  End goal is a double number   
   >representing centi-secs.   
   >   
   >   
   >empty decimal   
   >   
   >: SPLIT ( a u c -- a2 u2 a3 u3 )  >r 2dup r> scan 2swap 2 pick - ;   
   >: >INT ( adr len -- u )  0 0 2swap >number 2drop drop ;   
   >   
   >: /T ( a u -- $hour $min $sec )   
   >  2 0 do  [char] : split  2swap  dup if 1 /string then  loop   
   >  2 0 do  dup 0= if 2rot 2rot then  loop ;   
   >   
   >: .T  2swap 2rot  cr  >int . ." hr "  >int . ." min " >int . ." sec " ;   
   >   
   >s" 1:2:3"    /t .t   
   >s" 02:03"    /t .t   
   >s" 03"       /t .t   
   >s" 23:59:59" /t .t   
   >s" 0:00:03"  /t .t   
      
   This problem is ill posed. You don't specify what happens   
   with less that 3 fields, or the meaning of the fields.   
   Normally I make the tests to run before attempting to code.   
      
   Groetjes Albert   
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