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 FileMaker Pro Custom Functions

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WrapURI ( uri ; maxchars ; linebreak_char )

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  Average rating: 4.4  (41 votes)
  Discuss this Custom Function

Anthony Reimer,
http://contact.jazzace.ca/

Takes a long URI (a.k.a. URL) and breaks it into multiple lines

Sample Input:
WrapURI ( "www.example.com/thisisareallylongURIthatneedstobesplit/withouttoomuchhassle.html" ; 20 ; "ΒΆ")
Sample Output:
www.example.com/
thisisareallylongURI
thatneedstobesplit/
withouttoomuchhassle
.html


 Then copy & paste into FileMaker Advanced's Edit Custom Function window.

Click here to copy To Clip Manager if you have myFMbutler's Clip Manager installed

Description:

This function is similar to WordWrap and Abscind in concept (and borrows liberally from same) but is specific to wrapping URIs (a.k.a. URLs). It tries to break the line at the nearest slash, and if that is not successful, it looks for the nearest dot. If both fail, it does a hard break at whatever the character limit (maxchars) is. It inserts whatever character(s) you supply in the third parameter (linebreak_char) inbetween these "lines."

I needed this function to break some URIs being displayed on a web page (fed by FileMaker) that were in a narrow sidebar. I used "<br />" as the linebreak_char to generate the correct (X)HTML to be displayed in the link. My FileMaker field calculation looked something like this:

<a href=\"" &
If ( Left ( uri ; 4 ) = "http"; ""; "http://") &
uri & "\">" & WrapURI ( uri ; 20 ; "<br />") & "</a>"

With the uri in the sample input, this calculation would generate:

<a href="http://www.example.com/thisisareallylongURIthatneedstobesplit/withouttoomuchhassle.html">www.example.com/<br />thisisareallylongURI<br />thatneedstobesplit/<br />withouttoomuchhassle<br />.html</a>

The link would then look like the sample output.

Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.

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