This is a sample to overwrite / append to existing text file. The following text files are covered here. [Text file to read] text.txt This is an existing string. Overwrite text file </h 2> The overwrite fopens with the parameter “w”. 【Results】 Overwrite. Append to text file The append is fopen with the parameter “a”. 【Results】 It is an existing string. P.S. memo If there is no file to be read in both overwrite and […]