FormatAsFileName ( text ; extension ; lengthLimit )
Simplifies concatenation of a data into a suitable length OS filename.
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|Jonathan Mickelson - Show more from this author|
Function definition: (Copy & paste into FileMaker's Edit Custom Function window)
This function simplifies the formatting of the value of text into a standard format for use as a filename by an operating system. Its parameters also include the ability to define a filename extension and a character limit for the concatenation. All parameters but text may be null ("").
NOTE: The truncation character may be changed or made null ("") in the variable definitions within the function source.
text - any text expression or text field
extension - any text expression or text field representing an optional file extension. The extension parameter does not require a period (.) to be supplied and automatically adds one to the beginning of the extension, if an extension is supplied and the leftmost character is not already a period (.)
lengthLimit - any numeric expression, or field containing a number, which represents the maximum number of characters the resulting filename may contain, including any defined the extension parameter. For any positive numeric value, the function truncates any necessary characters from the right of the text parameter, adding a special truncation character (~ by default) before any defined extension. A zero or null ("") value will bypass this feature.
Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.