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There are 2,572 functions in this library.

LetterCount ( text ; summary )

Returns the letter counts within a string

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Richard Dyce - Show more from this author Dyce & Sons Ltd. http://dyce.com

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

// LetterCount ( text ; summary ) // Do a simple count of letter values in a string Case( text = "" ; summary ; Let( [ t = Left( text ; 1 ) ; n = ( Length( text ) - Length( Substitute( text ; t ; "" ) ) ) // PatternCount ( text ; t ) ] ; LetterCount ( Substitute( text ; t ; "" ) ; List ( summary ; t & n ) ) ) ) Click to copy

This returns a list of letter counts for a string. It's used in the ShannonEntropy() function for calculating the strength of passwords. The second parameter should be left blank, as it's used for recursion.

 

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