update tutorial.

R=rsc
CC=golang-dev
http://codereview.appspot.com/179063

1 files changed, 17 insertions, 17 deletions

diff --git a/doc/progs/cat.go b/doc/progs/cat.go
index 4e5e31cae..f8d1a54fb 100644
--- a/doc/progs/cat.go
+++ b/doc/progs/cat.go
@@ -5,42 +5,42 @@
 package main
 
 import (
-	"./file";
-	"flag";
-	"fmt";
-	"os";
+	"./file"
+	"flag"
+	"fmt"
+	"os"
 )
 
 func cat(f *file.File) {
-	const NBUF = 512;
-	var buf [NBUF]byte;
+	const NBUF = 512
+	var buf [NBUF]byte
 	for {
 		switch nr, er := f.Read(&buf); true {
 		case nr < 0:
-			fmt.Fprintf(os.Stderr, "cat: error reading from %s: %s\n", f.String(), er.String());
-			os.Exit(1);
+			fmt.Fprintf(os.Stderr, "cat: error reading from %s: %s\n", f.String(), er.String())
+			os.Exit(1)
 		case nr == 0:  // EOF
-			return;
+			return
 		case nr > 0:
 			if nw, ew := file.Stdout.Write(buf[0:nr]); nw != nr {
-				fmt.Fprintf(os.Stderr, "cat: error writing from %s: %s\n", f.String(), ew.String());
+				fmt.Fprintf(os.Stderr, "cat: error writing from %s: %s\n", f.String(), ew.String())
 			}
 		}
 	}
 }
 
 func main() {
-	flag.Parse();   // Scans the arg list and sets up flags
+	flag.Parse()   // Scans the arg list and sets up flags
 	if flag.NArg() == 0 {
-		cat(file.Stdin);
+		cat(file.Stdin)
 	}
 	for i := 0; i < flag.NArg(); i++ {
-		f, err := file.Open(flag.Arg(i), 0, 0);
+		f, err := file.Open(flag.Arg(i), 0, 0)
 		if f == nil {
-			fmt.Fprintf(os.Stderr, "cat: can't open %s: error %s\n", flag.Arg(i), err);
-			os.Exit(1);
+			fmt.Fprintf(os.Stderr, "cat: can't open %s: error %s\n", flag.Arg(i), err)
+			os.Exit(1)
 		}
-		cat(f);
-		f.Close();
+		cat(f)
+		f.Close()
 	}
 }