This function cuts a number of b characters from the right side of text a. The optional parameter c controls the behaviour of the function if no text is left after the operation.

Parameters

Parameter	Description
a	Text.
b	Number of chars to cut off.
c	(optional) Behaviour for empty result text. Allowed values: string, empty, preserve. Default: string. See the following table for details. Note: Choose parameter type "Value" and then use the three dots to select a value.

Parameter c can have the following values with the following function results/actions.

Temporary Result (below) / Parameter Value (right)	string	empty	preserve
Parameter a was a field with set Empty Flag	Empty text is returned.	Empty text (string of length 0) and Empty Flag are set in the field that uses the function.	Empty text (string of length 0) and Empty Flag are set in the field that uses the function.
No characters left	Empty text is returned.	Empty text (string of length 0) and Empty Flag are set in the field that uses the function.	Empty text is returned.
A non-empty text remains	Result text is returned.	Result text is returned.	Result text is returned.

Examples

Parameter a	Parameter b	Parameter c	Result	Empty Flag set
abc	1		ab	No.
abc	2		a	No.
abc	3			No.
abc	3	string		No.
abc	3	empty		Yes.
abc	3	preserve		No.