From c6852b70b860baecf8efa526631f6ec42f0a693e Mon Sep 17 00:00:00 2001
From: Niki Roo <niki@nikiroo.be>
Date: Fri, 6 Apr 2018 07:56:31 +0200
Subject: [PATCH] gopher.sh: disabling the escape sequences with ENV

---
 gopher.sh | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/gopher.sh b/gopher.sh
index 56fe265..0042756 100755
--- a/gopher.sh
+++ b/gopher.sh
@@ -1,5 +1,12 @@
 #!/bin/sh
 
+# ENV variables:
+#	LINK_COLOR: escape sequences colour (def: 2)
+#		- : means no escape sequence
+#		1 : means colour 1
+#		2 : means colour 2
+#		[...]
+
 SERVER="$1"
 SELECTOR="$2"
 PORT="$3"
@@ -18,12 +25,13 @@ if [ "$SERVER" = "" ]; then
 	exit 2
 fi
 
-LINK_COLOR=2 # can be empty for no escape sequences
+# can be "-" for no escape sequences
+[ "$LINK_COLOR" = ""  ] && LINK_COLOR=2
 
 # Start and end link tags
 SL=
 EL=
-if [ "$LINK_COLOR" != "" ]; then
+if [ "$LINK_COLOR" != "-" ]; then
 	SL="`tput setf $LINK_COLOR``tput setaf $LINK_COLOR`"
 	EL="`tput init`";
 fi
-- 
2.27.0