csv-write.go

package main

import (
        "encoding/csv"
        "log"
        "os"
)

func main() {
        txtfile, err := os.Open("data.txt")
        if err != nil {
                log.Fatalln("Couldn't open the csv file", err)
        }

        r := csv.NewReader(txtfile)
        r.Comma = ':'

        records, err := r.ReadAll()
        if err != nil {
                log.Fatal(err)
        }

        w := csv.NewWriter(os.Stdout)

        for _, record := range records {
                if err := w.Write(record); err != nil {
                        log.Fatalln("error writing record to csv:", err)
                }
        }

        // Write any buffered data to the underlying writer (standard output).
        w.Flush()

        if err := w.Error(); err != nil {
                log.Fatal(err)
        }
}