itemDelimiter

Thu Feb 12 18:14:55 EST 2004

Mark,

Wow, this is more than I expected. Thank you.

These functions seem to be the ticket for me. I will play with them and 
try to understand them and report back.

Thanks again,

Tom

On Feb 12, 2004, at 12:07 PM, Mark Brownell wrote:

> Thomas,
>
> Here are three functions for pulling tags out:
> What you might need is one of my Parallel Numerical Lineal Parsers:
>
> -- get the title
> -- put your HTML into tZap
> -- put PNLPgetElement("<title>", "</title>", tZap) into theTitle
>
> -- get the paragraphs in two steps
> -- put getPNLPelements("<p>", "</p>", tZap) into theParagraphArray
> -- put theParagraphArray[1] into parOne
> -- put theParagraphArray[2] into parTwo
>
> You can even get the attributes from this:
>> -- <BODY TEXT="#000000" BGCOLOR="#F8D0B8" LINK="#999999" 
>> VLINK="#000000" ALINK="#FF0000">
>
> -- put PNLPgetElement("<body", "</body>", tZap) into theBody
> -- put PNLPgetAttribute("TEXT", theBody) into theTEXTAttribute
> -- put PNLPgetAttribute("BGCOLOR", theBody) into theBGCOLORAttribute
>
> function PNLPgetElement tStTag, tEdTag, stngToSch
>   put empty into zapped
>   put the number of chars in tStTag into dChars
>   put offset(tStTag,stngToSch) into tNum1
>   put offset(tEdTag,stngToSch) into tNum2
>   if tNum1 < 1 then
>     return "error"
>     exit PNLPgetElement
>   end if
>   if tNum2 < 1 then
>     return "error"
>     exit PNLPgetElement
>   end if
>   put char (tNum1 + dChars) to (tNum2 - 1) of stngToSch into zapped
>   return zapped
> end PNLPgetElement
>
> -- put getPNLPelements("<record>", "</record>", tZap) into theArray
> function getPNLPelements tStartTag, tEndTag, StringToSearch
>   put empty into tArray
>   put 0 into tStart1
>   put 0 into tStart2
>   put 1 into tElementNum
>   put the number of chars in tStartTag into dChars
>   repeat
>     put offset(tStartTag,StringToSearch,tStart1) into tNum1
>     put (tNum1 + tStart1) into tStart1
>     if tNum1 < 1 then exit repeat
>     put offset(tEndTag,StringToSearch,tStart2) into tNum2
>     put (tNum2 + tStart2) into tStart2
>     if tNum2 < 1 then exit repeat
>     --if tNum2 < tNum1 then exit repeat
>     put char (tStart1 + dChars) to (tStart2 - 1) of StringToSearch 
> into zapped
>     put zapped into tArray[tElementNum]
>     add 1 to tElementNum
>   end repeat
>   return tArray
> end getPNLPelements
>
> -- put PNLPgetAttribute("name", tZap) into theAttribute
> function PNLPgetAttribute tAttribute, strngToSearch
>   put empty into zapA
>   put quote into Qx
>   put tAttribute & "=" & Qx into tAttributeX
>   put the number of chars in tAttributeX into dChars
>   put offset(tAttributeX,strngToSearch) into tNum1
>   if tNum1 < 1 then
>     return "error"
>     exit PNLPgetAttribute
>   end if
>   put tNum1 + 1 into tNum2
>   put offset(Qx,strngToSearch,tNum2) into tNum3
>   put offset("=",strngToSearch,tNum2) into tNum4
>   if tNum3 < 1 then
>     return "error"
>     exit PNLPgetAttribute
>   end if
>   if tNum4 < tNum3 then
>     return "error"
>     exit PNLPgetAttribute
>   end if
>   put char (tNum2 + 1) to (tNum3 - 1) of stngToSch into zapA
>   return zapA
> end PNLPgetAttribute
>
> Mark Brownell
>
> P.S. I would love a multi-character delimiter.
>
>
> On Thursday, February 12, 2004, at 05:10  AM, Thomas McGrath III wrote:
>
>> Hello everybody,
>>
>> I was wondering if the itemDelimiter can be more than one character? 
>> I mean instead of "," or ":" can it be "<!--display paragraphs-->" ?
>> If the answer is NO then can someone help me understand how to sift 
>> through the html below to just extract the title text and the 2 
>> paragraph texts? I know I can offset("<title>") field "HTML" but then 
>> what can I do to extract the text after that?
>> It may be obvious but for the life of me I can't 'see' it.
>> Thanks
>> TOm
>>
>> <html>
>> <head>
>> <title>Just for Today Meditation</title>
>> </head>
>> <BODY TEXT="#000000" BGCOLOR="#F8D0B8" LINK="#999999" VLINK="#000000" 
>> ALINK="#FF0000">
>> <!--calculate day of the year -->
>> <!-- numdays=datediff("d",firstday,now)+1 -->
>>  <!--display paragraphs-->
>>
>>    <p>Our fantasies and expectations about the future may be so 
>> extreme that, on our first date with someone, we find ourselves 
>> wondering which lawyer we'll use for the divorce. Almost every 
>> experience causes us to remember something from the past or begin 
>> projecting into the future. </p>
>>
>>    <!--display paragraphs-->
>>
>>    <p>At first, it's difficult to stay in the moment. It seems as 
>> though our minds won't stop. We have a hard time just enjoying 
>> ourselves. Each time we realize that our thoughts are not focused on 
>> what's happening right now, we can pray and ask a loving God to help 
>> us get out of ourselves. If we regret the past, we make amends by 
>> living differently today; if we dread the future, we work on living 
>> responsibly today. </p>
>>
>> </body></html>
>> Thomas J McGrath III
>
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>

Thomas J. McGrath III
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Pittsburgh, PA 15234
412-885-8541