From b496591e7c1cd2c82ac57d96468185c95d8c26a3 Mon Sep 17 00:00:00 2001
From: Qi Xiao <xiaqqaix@gmail.com>
Date: Mon, 6 Jan 2020 22:17:48 +0000
Subject: [PATCH] pkg/eval: Slightly simplify implementation of fopen.

---
 pkg/eval/builtin_fn_io.go | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/pkg/eval/builtin_fn_io.go b/pkg/eval/builtin_fn_io.go
index 163d3bbf..bb4f41e4 100644
--- a/pkg/eval/builtin_fn_io.go
+++ b/pkg/eval/builtin_fn_io.go
@@ -231,10 +231,9 @@ func toJSON(fm *Frame, inputs Inputs) error {
 	return errEncode
 }
 
-func fopen(fm *Frame, name string) (vals.File, error) {
+func fopen(name string) (vals.File, error) {
 	// TODO support opening files for writing etc as well.
-	f, err := os.Open(name)
-	return f, err
+	return os.Open(name)
 }
 
 func fclose(f vals.File) error {