From 9404f81aabf15233dfadf8bc136d0a0c57555141 Mon Sep 17 00:00:00 2001
From: Brandon Mulcahy
Date: Fri, 17 Jul 2015 01:37:29 -0400
Subject: Allow reassignment of exec.Cmd Stdout and Stderr

---
 README.md  | 13 ++++++++++++-
 browser.go | 10 ++++++++--
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 69c00ca..72b1976 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,17 @@ The choice of which browser is started is entirely client dependant.
 
 
 
+## Variables
+``` go
+var Stderr io.Writer = os.Stderr
+```
+Stderr is the io.Writer to which executed commands write standard error.
+
+``` go
+var Stdout io.Writer = os.Stdout
+```
+Stdout is the io.Writer to which executed commands write standard output.
+
 
 ## func OpenFile
 ``` go
@@ -41,4 +52,4 @@ OpenURL opens a new browser window pointing to url.
 
 
 - - -
-Generated by [godoc2md](http://godoc.org/github.com/davecheney/godoc2md)
\ No newline at end of file
+Generated by [godoc2md](http://godoc.org/github.com/davecheney/godoc2md)
diff --git a/browser.go b/browser.go
index cfc9da7..d92c4cd 100644
--- a/browser.go
+++ b/browser.go
@@ -12,6 +12,12 @@ import (
 	"path/filepath"
 )
 
+// Stdout is the io.Writer to which executed commands write standard output.
+var Stdout io.Writer = os.Stdout
+
+// Stderr is the io.Writer to which executed commands write standard error.
+var Stderr io.Writer = os.Stderr
+
 // OpenFile opens new browser window for the file path.
 func OpenFile(path string) error {
 	path, err := filepath.Abs(path)
@@ -50,7 +56,7 @@ func OpenURL(url string) error {
 
 func runCmd(prog string, args ...string) error {
 	cmd := exec.Command(prog, args...)
-	cmd.Stdout = os.Stdout
-	cmd.Stderr = os.Stderr
+	cmd.Stdout = Stdout
+	cmd.Stderr = Stderr
 	return cmd.Run()
 }
-- 
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