add file io error printing

2022-11-01 14:43:25 -06:00
parent ae6dd9f2bc
commit c162f1c98c
1 changed files with 2 additions and 1 deletions
--- a/assembler-8608.lua
+++ b/assembler-8608.lua
@ -159,7 +159,8 @@ local function assembleCode(code, instrs)
 end

 local function readFile(fn)
-	local fi = io.open(fn, "r") or error("could not open file "..fn)
+	local fi, err = io.open(fn, "r")
+	if not fi then error("could not open file "..fn..": "..err) end
 	local text = fi:read("*a")
 	fi:close()
 	return text