Support for Run() convenience function

util.go

@@ -0,0 +1,22 @@
+package process
+
+import (
+	. "github.com/tendermint/go-common"
+)
+
+// Runs a command and gets the result.
+func Run(command string, args []string) (string, bool, error) {
+	outFile := NewBufferCloser(nil)
+	proc, err := StartProcess("", command, args, nil, outFile)
+	if err != nil {
+		return "", false, err
+	}
+
+	<-proc.WaitCh
+
+	if proc.ExitState.Success() {
+		return string(outFile.Bytes()), true, nil
+	} else {
+		return string(outFile.Bytes()), false, nil
+	}
+}