csv output option

[jesseorr]

It would be nice to have a flag to do CSV output as well as the normal output, so the data can be read in more easily by scripts.

[jesseorr]

index 59df65f..526016b 100644
--- a/gauth.go
+++ b/gauth.go
@@ -6,6 +6,7 @@ import (
        "crypto/cipher"
        "crypto/sha256"
        "encoding/csv"
+       "flag"
        "fmt"
        "io/ioutil"
        "log"
@@ -21,6 +22,9 @@ import (
 )

 func main() {
+       parseable := flag.Bool("csv",false,"Use to enable machine parseable output: Name, Current, Next, TTL")
+       flag.Parse()
+
        user, e := user.Current()
        if e != nil {
                log.Fatal(e)
@@ -75,15 +79,24 @@ func main() {
        currentTS, progress := gauth.IndexNow()

        tw := tabwriter.NewWriter(os.Stdout, 0, 8, 1, ' ', 0)
-       fmt.Fprintln(tw, "\tprev\tcurr\tnext")
        for _, record := range cfg {
                name, secret := record[0], record[1]
                prev, curr, next, err := gauth.Codes(secret, currentTS)
                if err != nil {
                        log.Fatalf("Code: %v", err)
                }
-               fmt.Fprintf(tw, "%s\t%s\t%s\t%s\n", name, prev, curr, next)
+               if *parseable {
+                       fmt.Fprintf(tw,"%s,%s,%s,%d\n",name, curr, next, 30 - progress)
+               } else {
+                       fmt.Fprintf(tw, "%s\t%s\t%s\t%s\n", name, prev, curr, next)
+               }
+       }
+
+       if ! *parseable {
+               fmt.Fprintln(tw, "\tprev\tcurr\tnext")
+               tw.Flush()
+               fmt.Printf("[%-29s]\n", strings.Repeat("=", progress))
+       } else {
+               tw.Flush()
        }
-       tw.Flush()
-       fmt.Printf("[%-29s]\n", strings.Repeat("=", progress))
 }

[pcarrier]

A CSV output sounds useful. Could you open a PR? Thanks!