added csv flag

Author: vaswin

godiff.go

@@ -310,6 +310,7 @@ func main() {
 
 	flag.StringVar(&flag_p_keys, "key", "", "The Primary Key Columns")
 	flag.StringVar(&flag_html_output, "html", flag_html_output, "Generate HTML diff file")
+	flag.StringVar(&flag_csv_delta, "csv", flag_csv_delta, "Generate CSV delta file")
 	//flags.StringVar(&numericKey, "numeric", "", "The specified columns are treated as numeric strings.")
 	//flags.StringVar(&reverseKey, "reverse", "", "The specified columns are sorted in reverse order.")
 

htmlgen.go

@@ -138,6 +138,7 @@ func (chg *DiffChangerHtml) diff_lines(ops []DiffOp) {
 		case DIFF_OP_INSERT:
 			write_html_blanks(&chg.buf1, v.end2-v.start2)
 			write_html_lines(&chg.buf2, "add", chg.file2[v.start2:v.end2], v.start2, chg.lineno_width)
+			writeDiffCSVDelta(&chg.diffbuf, chg.file2[v.start2])
 
 		case DIFF_OP_REMOVE:
 			write_html_lines(&chg.buf1, "del", chg.file1[v.start1:v.end1], v.start1, chg.lineno_width)

utils/csvutils.go

@@ -35,6 +35,25 @@ func ColumnReorder(filePath string, columns []int) {
 	}
 }
 
+/*func writeDiffCSVDelta(buf *bytes.Buffer, line []byte) {
+	buf.Write(line)
+	buf.WriteString("\n")
+}
+
+func writeToFile(filePath string, buf []byte) {
+	wFile, err := os.Create(filePath) //".colreordered"
+	if err != nil {
+		usage(err.Error())
+	}
+	defer output_csv_file.Close()
+
+	outCSV := bufio.NewWriter(output_csv_file)
+	outCSV.WriteString(strings.Join(csvHeaderData, ","))
+	outCSV.WriteString("\n")
+	outCSV.Write(buf)
+	outCSV.Flush()
+}*/
+
 func getWriter(filePath string) (*csv.Writer, *os.File) {
 	// Creating csv writer
 	wFile, err := os.Create(filePath + ".colreordered")