## replace(input_file_name, output_file_name, pattern, replacement) {#str_str_str_str} Replaces all occurrences of a specified character string pattern with a replacement string in the input file. ......## replace(input_file_name, output_file_name, pattern, replacement) {#str_str_str_str} Replaces all occurrences of a specified character string pattern with a replacement string in the input file. ...