fnALSourceParse ( source ; attribute )
Returns a list of values for the supplied attribute from the source code of a webpage. See - fnHTMLAttributeList
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Function definition: (Copy & paste into FileMaker's Edit Custom Function window)
NOTICE: This function is intended to be used in conjunction with the custom function - fnHTMLAttributeList available from www.briandunning.com. It makes things much easier, however it does not require it.
This function does a simple thing. It takes the source code provided and locates every occurrence of the text (attribute) that you request. It then returns the next value within quotes (" ") following each of those occurrences in a list format. You can literally type anything for the attribute parameter, but the function really becomes useful when you enter html attributes. Here are some examples:
Entering "src" can be used to get a list of images on page.
Entering "href" will produce a fairly complete list of links on the page. As seen in the sample output.
Information like this can come in very handy for tasks like web scraping.
If anyone out there with more knowledge of html than myself knows how this can be improved I welcome your input.
|Mark Keedy, Kenosha, Wisc.
Sep 12, 2013
|How would you modify this if the attribute string itself has quotation marks? I don't want all the href links from my site, just the ones that are preceded by '<a class="cssa" href='|
Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.