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Filtering/Searching Some Text (cfhttp.fileContent)

Posted on 2004-04-20
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Last Modified: 2013-12-24
Hi I am new to this.  

I know that I can submit to a form using cfhttp and get the output to display by doing:
     <cfoutput>#cfhttp.fileContent#</cfoutput>

I don't really need the output to be displayed for the user, but I do need to go into this output and find some specific strings.

For example if I submitted a search string to the Google.com search textbox and the cfhttp.fileContent is all the results page for my search, how do I filter through the html of that returned page to locate only the words: "Results 1 - 10 of about 9,490,000 " so that I can insert that into my database.  I don't need to display the results page to anyone, I just need to grab that one sentence for my database.

This is a wild uneducated guess but do I specify a 'file' and 'path' to save the results page to and in that page make some kind of function that locates the required text and inserts into database and toss out the rest?

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Question by:champ_010
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7 Comments
 
LVL 35

Expert Comment

by:mrichmon
ID: 10869948
You could use a regular expression to search through the results to find the sentence you are looking for.  I would guess that you could just search on the variable instead of printing it to a page.
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Accepted Solution

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Tacobell777 earned 500 total points
ID: 10873150
I quickly typed this and did not test it

<cfset result = reFindNoCase("Results\s*\d*\-\d*of about [0-9,]", string, 1, "true")>

<cfdump var="#result#">

result will give you a structure that contains the position and length of where the value was found, you can then use mid to retrieve the value.
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by:champ_010
ID: 10875256

So I do specify file and path in the cfhttp and then inside the specified file is where I use something like the code shown by Tacobell777?

Sorry I'm new to this and still trying to figure out the regular expression and this reFindNoCase thing.  Will try it out...
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Expert Comment

by:Tacobell777
ID: 10875425
Yes if I remember correctly you replace string with cfhttp.fileContent
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Author Comment

by:champ_010
ID: 10875793
Oh...so in that case I don't have to save the stuff to a file...I can just use your code on the cfhttp.fileContent and go from there.

Will try it...
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Expert Comment

by:mrichmon
ID: 10879633
Exaclty.  And if the RE that TacoBell doesn't work - it is a good starting point and you can use pages such as this for more help with writing/adjusting it :

http://www.3leaf.com/resources/articles/regex.aspx
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by:champ_010
ID: 10896821

o.k. I read up on some of this reFindNoCase thing and finally got around to the regExp stuff.  I didn't actually try out Tachobell777 code, but it makes sense to me now--especially the part about applying it to the cfhttp.fileContent.

thanks
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