loadrunner I need to overwrite a data into existing csv file first column but...

[Santhakumar Thanikachalam]

I need to overwrite a data into existing csv file first column but my code is removing all the data from the file and updating the first rows Anyone having script to write csv file without removing the existing values? my code is Action() { long file; char workfilename[200]; int i; char * filename = "E:\\xxxxxx.csv"; { if ((file = fopen(filename, "w")) == NULL) { lr_output_message("File do not exists %s", filename); return -1; } else for (i=0;ip>

 

[Igor Markov]

http://www.tutorialspoint.com/c_standard_library/c_function_fopen.htm

 

[Rich Cushing]

learn how to program in C