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Dec2Hex ( theNumber ; num0s )

Convert Decimal # to Hex Text

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Samuel Herschbein - Show more from this author Comsultant http://www.oz.net/~samh

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

Let ( theDec2HexNoLeading0s = Dec2HexNoLeading0s ( theNumber ) ; // get the number as hex with no leading zeros If ( num0s > 32 ; // each hex digit is 4 bits: 128 bits/16 bytes ought be enough... "No Can Do" ; // I can't think of a better message right now... If ( Length ( theDec2HexNoLeading0s ) > num0s ; Right ( "################################" ; num0s ) ; // number too big to fit, use Excel style warning Right ( "00000000000000000000000000000000" & theDec2HexNoLeading0s ; num0s ) ) ) ) Click to copy

This custom function requires my other function, listed here only for convenience:

Dec2HexNoLeading0s ( theNumber )
Let (

// get the hex digit for the least significant nibble (4 bits)
thisNibble = Middle ( "0123456789ABCDEF" ; Mod (theNumber ; 16) + 1 ; 1 ) ;

// see if theNumber passed is bigger than a nibble, if so recurse to process the more significant nibbles
If ( theNumber < 16 ;
"" ; // blank means we're not adding any extra
Dec2HexNoLeading0s ( Int ( theNumber / 16 ) ) // add the more significant nibbles
) &
thisNibble // always return the least significant nibble

)

 

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