Writing tab separated values in Go
<p>I'm trying to write tab separated values in a file using the <a href="https://golang.org/pkg/text/tabwriter/" rel="noreferrer">tabwriter</a> package in Go.</p>

<pre><code>records map[string] []string
file, err := os.OpenFile(some_file,  os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
    log.Println(err)
}
w := new(tabwriter.Writer)
w.Init(file, 0, 4, 0, '\t', 0)
for _, v := range records {
    fmt.Fprintln(w, v[0],"\t",v[1],"\t",v[2],"\t",v[3])
    w.Flush()
}
</code></pre>

<p>The problem I'm facing is that the records written to the file have two additional spaces prepended to them. I added the debug flag and this is what I get in the file:</p>

<pre><code>fname1  | mname1  | lname1      | age1
fname2  | mname2  | lname2      | age2
</code></pre>

<p>I'm unable to see where I'm going wrong. Any help is appreciated.</p>