From a42a65518cade4f35102bd3378112edc859e8729 Mon Sep 17 00:00:00 2001
From: Oenning <guilherme.oenning@softwareone.com>
Date: Wed, 22 Mar 2017 13:05:44 +0000
Subject: [PATCH] allow empty_var

---
 fixtures/plain.env |  2 ++
 godotenv.go        | 21 ++++++++++++---------
 godotenv_test.go   |  2 ++
 3 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/fixtures/plain.env b/fixtures/plain.env
index c983b06..43f7e44 100644
--- a/fixtures/plain.env
+++ b/fixtures/plain.env
@@ -3,3 +3,5 @@ OPTION_B=2
 OPTION_C= 3
 OPTION_D =4
 OPTION_E = 5
+OPTION_F = 
+OPTION_G=
\ No newline at end of file
diff --git a/godotenv.go b/godotenv.go
index 2551048..016acc1 100644
--- a/godotenv.go
+++ b/godotenv.go
@@ -212,20 +212,23 @@ func parseLine(line string) (key string, value string, err error) {
 
 	// Parse the value
 	value = splitString[1]
+
 	// trim
 	value = strings.Trim(value, " ")
 
 	// check if we've got quoted values
-	first := string(value[0:1])
-	last := string(value[len(value)-1:])
-	if first == last && strings.ContainsAny(first, `"'`) {
-		// pull the quotes off the edges
-		value = strings.Trim(value, `"'`)
+	if value != "" {
+		first := string(value[0:1])
+		last := string(value[len(value)-1:])
+		if first == last && strings.ContainsAny(first, `"'`) {
+			// pull the quotes off the edges
+			value = strings.Trim(value, `"'`)
 
-		// expand quotes
-		value = strings.Replace(value, `\"`, `"`, -1)
-		// expand newlines
-		value = strings.Replace(value, `\n`, "\n", -1)
+			// expand quotes
+			value = strings.Replace(value, `\"`, `"`, -1)
+			// expand newlines
+			value = strings.Replace(value, `\n`, "\n", -1)
+		}
 	}
 
 	return
diff --git a/godotenv_test.go b/godotenv_test.go
index ea22da3..0a1aff6 100644
--- a/godotenv_test.go
+++ b/godotenv_test.go
@@ -74,6 +74,8 @@ func TestReadPlainEnv(t *testing.T) {
 		"OPTION_C": "3",
 		"OPTION_D": "4",
 		"OPTION_E": "5",
+		"OPTION_F": "",
+		"OPTION_G": "",
 	}
 
 	envMap, err := Read(envFileName)