try to zero index pairs

1 files changed, 4 insertions, 4 deletions

diff --git a/skate/xio/util.go b/skate/xio/util.go
index 9967540..4fc8905 100644
--- a/skate/xio/util.go
+++ b/skate/xio/util.go
@@ -9,14 +9,14 @@ import (
 )
 
 // OpenTwo opens two files. The caller needs to check for a single error only.
-func OpenTwo(f1, f2 string) (g1, g2 *os.File, err error) {
-	if g1, err = os.Open(f1); err != nil {
+func OpenTwo(f0, f1 string) (g0, g1 *os.File, err error) {
+	if g0, err = os.Open(f0); err != nil {
 		return nil, nil, err
 	}
-	if g2, err = os.Open(f2); err != nil {
+	if g1, err = os.Open(f1); err != nil {
 		return nil, nil, err
 	}
-	return g1, g2, nil
+	return g0, g1, nil
 }
 
 // TabsToMapFile turns two columns from a tabular file into a map.