Initial commit

fileproc/writer.go

@@ -0,0 +1,21 @@
+// Package fileproc provides functions for writing file contents concurrently.
+package fileproc
+
+import (
+	"io"
+	"os"
+
+	"github.com/sirupsen/logrus"
+)
+
+// StartWriter listens on the write channel and writes content to outFile.
+// When finished, it signals on the done channel.
+func StartWriter(outFile *os.File, writeCh <-chan WriteRequest, done chan<- struct{}) {
+	writer := io.Writer(outFile)
+	for req := range writeCh {
+		if _, err := writer.Write([]byte(req.Content)); err != nil {
+			logrus.Errorf("Error writing to file: %v", err)
+		}
+	}
+	done <- struct{}{}
+}