From 1d5d64c1e8df14ca8821a4fb4870a590f144e3f0 Mon Sep 17 00:00:00 2001
From: syrmel <104119569+syrmel@users.noreply.github.com>
Date: Sat, 27 Jan 2024 22:35:15 +0100
Subject: [PATCH] printenv - handle env variable being set to blank (#126)

* Handle env variable being set to blank

* v fmt printenv
---
 src/printenv/printenv.v | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/printenv/printenv.v b/src/printenv/printenv.v
index 35981df7..db3370e0 100644
--- a/src/printenv/printenv.v
+++ b/src/printenv/printenv.v
@@ -40,8 +40,9 @@ fn main() {
 		}
 	} else {
 		for k in args {
-			mut v := os.getenv(k)
-			if v == '' {
+			// Use getenv_opt because it is possible for the environment variable
+			// to be set to the empty string which should not return an error code.
+			mut v := os.getenv_opt(k) or {
 				exit_code = 1 // at least one specified variable was not found
 				continue
 			}