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Small fixes to make besh work again

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This commit is contained in:
Wobbo 2014-04-24 22:06:10 +02:00
parent d5bd34b76d
commit 70faea9516
1 changed files with 4 additions and 2 deletions
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6
src/main/resources/assets/opencomputers/loot/BetterShell/besh.lua
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@ -173,10 +173,11 @@ expand = function(token)
table.insert(matchStack, "'")
lastEnd = i+1
elseif char == "$" and not singleQuote then
table.insert(expr, {})
if #expr <= 0 then
table.insert(endToken, unicode.sub(token, lastEnd, i-1))
end
table.insert(expr, {})
lastEnd = i -1
elseif char == '{' and #expr > 0 and #(expr[#expr]) == 0 then
table.insert(matchStack, '}')
if expr[#expr] == 0 then
@ -207,8 +208,9 @@ expand = function(token)
while #expr > 0 do
local xpr = table.remove(expr)
table.insert(expr[#expr] or endToken, os.getenv(table.concat(xpr)))
lastEnd = #token + 1
end
if lastEnd >= #token then
if lastEnd <= #token then
table.insert(endToken, unicode.sub(token, lastEnd, -1))
end
return table.concat(endToken)