STRING_OPERATE -- perform string operation

OPERATION = <string:1>	'SUM'	operation to perform: CONCATENATE
RESULT = <string:0>	''	variable name for the result of operation
STRING_ARGUMENTS = <string:0>	''	arguments for string operation

Description:

This command performs a specified string operation. There can be up to MSPRM (130) operands for the CONCATENATE operation. The RESULT value has to be a name of the string variable.