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scraper data too large for variable how to cycle past unwanted data

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  • scraper data too large for variable how to cycle past unwanted data

    I have a wp scraper that I have built and for quite a while it has ran good, however now there is too much meta data and unneeded text on the html page to put into a variable so data is getting cut off and lost and not working.

    This is a 2 part script that runs a function I wrote.
    'Date Created: 29-Sep-2012 08:15:44 PM
    'Last Updated: 28-Mar-2017 11:46:41 AM
    'Created By  : Steven
    'Updated By  : steve
    dim shared tbl as P
    dim shared p3 as waitdialog
    'dim count as N
    tbl ="catdata")
    WHILE .NOT. tbl.fetch_eof()
    	DIM shared street as C
    	DIM shared zipcode as C
    	dim shared city as c
    	dim shared state as c
    	p3.set_message("Automated Scrape Currently Scraping ")
    street = tbl.Street
    zipcode = tbl.Zipcode
    city = tbl.City
    state = tbl.State
    sdate = tbl.Saledate	
    DIM Shared varP_leadsbr as P
    DIM layout_name as c 
    layout_name = "[email protected]:\srgypgrabber\whiteleads.ddd"
    DIM tempP as p
    'Get pointer to existing window. In case layout_name is qualified with a dictionary name, extract up to first @. In case formname has spaces, normalize it
    'Test if pointer is valid
    if is_object(tempP) then 
    	'Test if pointer refers to a form or browse
    	if tempP.class() = "form" .or. tempP.class() = "browse" then 
    		'If so, then activate the already open window
    		'Window is not already open, so open it
    		varP_leadsbr = :Browse.view(layout_name)
    	end if
    	varP_leadsbr = :Browse.view(layout_name)
    end if
    that is the script to get the data to search with

    this is the function that I wrote to run

    'Date Created: 14-Mar-2015 01:57:58 AM
    'Last Updated: 31-Aug-2017 10:21:30 PM
    'Created By  : Steven
    'Updated By  : steve
    FUNCTION autowp AS C ( )
    	dim shared tbl as p
    dim dmain as c
    dim cc as c
    dim street as c
    dim zipcode as c
    dim shared city as c
    dim shared state as c
    dim shared saledate as c
    'dim shared casenum as c
    dmain = "" +alltrim(street)+"+" +"&qloc=" +alltrim(city)+"+" +alltrim(state)+"+"+alltrim(zipcode)
    cc = http_get_page2(dmain)
    dim srgstring as c
    dim reslts as c
    dim co as c
    co = ""
    co = EXTRACT_STRING( cc,"<div class=\"result-top-left-detail\">","</strong>",1)
    dim coe as c
    coe= extract_string(co,"<strong>"," ")
    	if coe = "page" then
    dim reslts1 as C
    dim phtrim as c
    dim nmtrim as c
    dim zptrim as c
    dim zipdone as c
    dim st1 as c
    dim en1 as c 
    en1="<div class=\"address-map\">"
    dim en2 as c
    reslts1 = EXTRACT_STRING( cc,st1,en1 )
    nmtrim = EXTRACT_STRING(reslts1,">",en2)
    phtrim =EXTRACT_STRING(reslts1,"(","<")
    'zptrim =EXTRACT_STRING(reslts1,"<div class=\"address\">","</div> ")
    'zipdone = right(zptrim,5)
    dim ltbl as p"whiteleads")
    ltbl.Listed_Name = nmtrim
    ltbl.Street = street
    ltbl.City = city
    ltbl.State = state
    ltbl.Zipcode = zipcode
    ltbl.Phone = phtrim
    ltbl.Saledate = saledate
    'ltbl.Casenum = casenum
    	end if
    I tested in the interactive window and realized that it was getting cut off due to variable size

  • #2
    Re: scraper data too large for variable how to cycle past unwanted data

    You could use SAVE_TO_FILE() to capture the page.


    Then loop through the text in the file.
    There can be only one.


    • #3
      Re: scraper data too large for variable how to cycle past unwanted data

      I think that is what I did the first time I wrote the code and got lazy speeding it up gotta look thru my old code and see if I can find it.

      I like the Highlander Siggy stan. Thx gonna try to run it that way


      • #4
        Re: scraper data too large for variable how to cycle past unwanted data

        I don't think the problem is with the variable. You are checking for the section between

        class="" and <div class="address-map"

        but the page is now using <div class="address-map full-profile--present">

        as the end of that section.
        There can be only one.


        • #5
          Re: scraper data too large for variable how to cycle past unwanted data

          I looked at that too but I was thinking that it would stop the string scanner when it got to the first part and stop after the space after map



          • #6
            Re: scraper data too large for variable how to cycle past unwanted data

            I misstated.

            Your ending delimiter is

            <div class="address-map">

            The closing > is what is causing the extract to fail. the space after map would be sufficient if not for the >.
            There can be only one.


            • #7
              Re: scraper data too large for variable how to cycle past unwanted data

              It's still not grabbing the results there is a bunch of meta data i gotta figure out how to get past.


              • #8
                Re: scraper data too large for variable how to cycle past unwanted data

                I was wrong that <div class="address-map" would work because the ending delimiter contains the second quote mark which is not present in the variable contents. In other words, extract_string is trying to find <div class="address-map", not <div class="address-map. You'll need to change to use

                <div class="address-map full-profile--present">
                <div class="address-map full-profile--present"

                en1="<div class=\"address-map full-profile--present\">"
                ? EXTRACT_STRING( cc,st1,en1 )
                = Aisa Hajdarevic</a>
                                  <div class="address">
                               1229 Shannon WAY #WA, Bowling Green, KY 42101            </div>
                                  <div class="phone">
                               (270) 999-9999            </div>
                Phone number changed to protect the innocent.
                There can be only one.


                • #9
                  Re: scraper data too large for variable how to cycle past unwanted data

                  Winner Winner chicken dinner. It's working again thx stan for all the help