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add file io error printing

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Redo 2022-11-01 14:43:25 -06:00
parent ae6dd9f2bc
commit c162f1c98c
1 changed files with 2 additions and 1 deletions
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assembler-8608.lua
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@ -159,7 +159,8 @@ local function assembleCode(code, instrs)
end end
local function readFile(fn) 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") local text = fi:read("*a")
fi:close() fi:close()
return text return text