Data commit

Task/Bitmap-Read-an-image-through-a-pipe/Go/bitmap-read-an-image-through-a-pipe.go

@@ -0,0 +1,30 @@
+package main
+
+// Files required to build supporting package raster are found in:
+// * Bitmap
+// * Read a PPM file
+// * Write a PPM file
+
+import (
+    "log"
+    "os/exec"
+    "raster"
+)
+
+func main() {
+    c := exec.Command("convert", "Unfilledcirc.png", "-depth", "1", "ppm:-")
+    pipe, err := c.StdoutPipe()
+    if err != nil {
+        log.Fatal(err)
+    }
+    if err = c.Start(); err != nil {
+        log.Fatal(err)
+    }
+    b, err := raster.ReadPpmFrom(pipe)
+    if err != nil {
+        log.Fatal(err)
+    }
+    if err = b.WritePpmFile("Unfilledcirc.ppm"); err != nil {
+        log.Fatal(err)
+    }
+}