LoadRunner - How to cut the string to the last x digit

LoadRunner – How to cut the string to the last x digits

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In LoadRunner, getting the first n characters is an easy task by just using strncpy(). But what about when you want to get the number of character from the last (right side). So, there is no direct C or LoadRunner function which you can use to cut the string to the last x digits. For that purpose, we need to write a custom code. Refer to the below code; you can add this code in LoadRunner script and get the desired output. 

Action()
{
	char TIME[20];
	lr_save_timestamp("time",LAST);
	lr_output_message(lr_eval_string("{time}"));
	lr_param_sprintf("rev_time","%s",strrev(lr_eval_string("{time}")));
	strncpy(TIME,lr_eval_string("{rev_time}"),3);
	lr_param_sprintf("REV_TIME","%s",strrev(TIME));
	lr_output_message("%s",lr_eval_string("{REV_TIME}"));
	return 0;
}

Output:

Action.c(5): 1586522023175
Action.c(9): 175

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