gopher.sh: disabling the escape sequences with ENV

diff --git a/gopher.sh b/gopher.sh
index 56fe265365b16ec7e29ce6272f09764cdea3d22b..0042756538be4be9758e701ce79fe04c462b2b0a 100755 (executable)
--- 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