2016 Update

Task/Bitmap-Flood-fill/Go/bitmap-flood-fill-2.go

@@ -1,20 +1,29 @@
 package main
 
 import (
-    "fmt"
+    "log"
+    "os/exec"
     "raster"
 )
 
 func main() {
     b, err := raster.ReadPpmFile("Unfilledcirc.ppm")
     if err != nil {
-        fmt.Println(err)
-        return
+        log.Fatal(err)
     }
     b.Flood(200, 200, raster.Pixel{127, 0, 0})
-    err = b.WritePpmFile("flood.ppm")
+    c := exec.Command("convert", "ppm:-", "flood.png")
+    pipe, err := c.StdinPipe()
     if err != nil {
-        fmt.Println(err)
-        return
+        log.Fatal(err)
+    }
+    if err = c.Start(); err != nil {
+        log.Fatal(err)
+    }
+    if err = b.WritePpmTo(pipe); err != nil {
+        log.Fatal(err)
+    }
+    if err = pipe.Close(); err != nil {
+        log.Fatal(err)
     }
 }