move skate-verify to skate-reduce

1 files changed, 14 insertions, 0 deletions

diff --git a/skate/xio/util.go b/skate/xio/util.go
new file mode 100644
index 0000000..554317b
--- /dev/null
+++ b/skate/xio/util.go
@@ -0,0 +1,14 @@
+package xio
+
+import "os"
+
+// OpenTwo opens two files, and the caller needs to check for a single error only.
+func OpenTwo(f1, f2 string) (g1 *os.File, g2 *os.File, err error) {
+	if g1, err = os.Open(f1); err != nil {
+		return nil, nil, err
+	}
+	if g2, err = os.Open(f2); err != nil {
+		return nil, nil, err
+	}
+	return g1, g2, nil
+}