WrapURI ( uri ; maxchars ; linebreak_char )
Takes a long URI (a.k.a. URL) and breaks it into multiple lines
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|Anthony Reimer - Show more from this author|
Function definition: (Copy & paste into FileMaker's Edit Custom Function window)
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 "
" as the linebreak_char to generate the correct (X)HTML to be displayed in the link. My FileMaker field calculation looked something like this:
If ( Left ( uri ; 4 ) = "http"; ""; "http://") &
uri & "\">" & WrapURI ( uri ; 20 ; "
") & ""
With the uri in the sample input, this calculation would generate:
The link would then look like the sample output.
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