Don't start plugin on the empty file (running 'vis` without any parameter)

1 files changed, 5 insertions, 3 deletions

diff --git a/init.lua b/init.lua
index 8aaff39..64c3064 100644
--- a/init.lua
+++ b/init.lua
@@ -6,9 +6,11 @@ local function file_exists(path)
 end
 
 local function open_rej_file(file)
-    local rejfile = file .. '.rej'
-    if file_exists(rejfile) then
-        vis:command('open ' .. rejfile)
+	if file then
+        local rejfile = file .. '.rej'
+        if file_exists(rejfile) then
+            vis:command('open ' .. rejfile)
+        end
     end
 end