LR unique file name with web_save_timestamp_param function

Earlier, I shown two ways how to create unique file names in LoadRunner:

How to get unique file name in LoadRunner :
Generating unique file name using LoadRunner parameter

Today I'm going to show the simplest way. And I would like to thank Charlie for his comment.

He suggested to use web_save_timestamp_param function.

web_save_timestamp_param function saves the current timestamp to LoadRunner parameter. Timestamp is the number of milliseconds since midnight January 1st, 1970 (also known as Unix Epoch).

This is how web_save_timestamp_param works:

web_save_timestamp_param("TimeStamp", LAST);
lr_output_message("Timestamp: %s", lr_eval_string("{TimeStamp}"));

And the result is:

As I explained in this loadRunner tutorial about unique file names in LoadRunner, we have to get unique ids per virtual users with lr_whoamiLoadRunner function.

So, the final LoadRunner script is:

char szFileName[256];
int vuserid, scid;
char *groupid;

lr_whoami(&vuserid, &groupid, &scid); web_save_timestamp_param("TimeStamp", LAST); 

sprintf(szFileName, "%s_%d_%d_%s",    lr_eval_string("{TimeStamp}"), 
    vuserid, 
    scid, 
    groupid);

lr_output_message("File name: %s", szFileName);

And its result is from LoadRunner Controller:So, you can add a required file extension (txt, pdf, etc) and get a unique file name. It will work for any number of concurrent virtual users in LoadRunner Controller.

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