LoadRunner : Save Dynamic Parameter value in Text File

I have a  value which dynamic for each iteration. I have captured that value using web_reg_save_param(correlation) function. Please any enahncement in the script is most welcome….

Action_Main_URL()

{

 char MainID; 

 int i; 

 char Length[100]; 

 long file; 

 char * filename = “c:\\Session.txt”; 

 if ((file = fopen(filename, “a+” )) == NULL) 

 { 

 lr_output_message(“Unable to create %s”, filename); 

 return -1; 

 }

 web_reg_save_param( “Cor_Session_Id”, “LB= value=’”, “RB=’”, “Ord=6″, “IgnoreRedirections=Yes”, “Search=Body”, “RelFrameId=1″, LAST );

 web_url(“Workplace”,

  ”URL=http://server/Workplace”,

  ”Resource=0″,

  ”RecContentType=text/html”,

  ”Referer=”,

  ”Snapshot=t1.inf”,

  ”Mode=HTML”,

  LAST);

 lr_start_transaction(“TS_Main_URL_Login”);

 web_reg_find(“Text=Record Search and Check-In”, “SaveCount=Value_Count”,

  LAST);

 web_submit_data(“WcmSignIn.jsp”,

  ”Action=http://server/Workplace/WcmSignIn.jsp?eventTarget=signInModule&eventName=SignIn”,

  ”Method=POST”,

  ”RecContentType=text/html”,

  ”Referer=http://server/Workplace/WcmSignIn.jsp?targetUrl=WcmDefault.jsp&targetBase=http%3A%2F%2Fserver%2FWorkplace&sessionId={Cor_Session_Id}&originIp=10.x.x.x&originPort=”,

  ”Snapshot=t2.inf”,

  ”Mode=HTML”,

  ITEMDATA,

  ”Name=targetBase”, “Value=http://server/Workplace”, ENDITEM,

  ”Name=originPort”, “Value=”, ENDITEM,

  ”Name=targetUrl”, “Value=Default.jsp”, ENDITEM,

  ”Name=encodedSessionId”, “Value=null”, ENDITEM,

  ”Name=originIp”, “Value=10.x.x.x”, ENDITEM,

  ”Name=sessionId”, “Value={Cor_Session_Id}”, ENDITEM,

  ”Name=browserTime1″, “Value=Sat Jan 1 05 EST 2011″, ENDITEM,

  ”Name=browserTime2″, “Value=Wed Jun 15 05 EDT 2011″, ENDITEM,

  ”Name=browserOffset1″, “Value=300″, ENDITEM,

  ”Name=browserOffset2″, “Value=240″, ENDITEM,

  ”Name=clientTimeZone”, “Value=”, ENDITEM,

  ”Name=appId”, “Value=Workplace”, ENDITEM,

  ”Name=userId”, “Value=userid”, ENDITEM,

  ”Name=password”, “Value=password”, ENDITEM,

  EXTRARES,

  ”Url=images/web/common/Banner.jpg”, “Referer=http://server/Workplace/HomePage.jsp?mode=reset”, ENDITEM,

  LAST);

 if (atoi(lr_eval_string(“{Value_Count}”)) > 0)

  {

  lr_output_message(“Page found successfully.”);

  }

  else

   {

   lr_error_message(“Page is not found.”);

   lr_exit( LR_EXIT_MAIN_ITERATION_AND_CONTINUE,LR_FAIL );

  return(0);

   }

 lr_end_transaction(“TS_Main_URL_Login”,LR_AUTO);

 sprintf(Length,”\n%s,”,lr_eval_string(“{Cor_Session_Id}”)); 

 i = fwrite(&Length,sizeof(Length), 1, file); 

 if ( i > 0) 

 lr_output_message(“Successfully wrote %d record”, i ); 

 fclose(file);

 return 0;

}