LEFT (FUN)¶

FUNCTION LEFT : STR.IString

Returns a specific number of runes of a string, starting from left
Returns 0 in case of eErrorID <> ERROR.NO_ERROR
See STR.IStringRepresentation ☛ ToIString(itfResource, 0, TO_LINT(udiCount-1))

InOut:

Scope	Name	Type	Initial	Comment
Return	`LEFT`	`STR.IString`
Input	`itfString`	`STR.IString`		String to be analyzed
	`udiCount`	`UDINT`		Number of runes
	`itfResource`	`STR.IString`	0
Output	`eErrorID`	ERROR