OC-misc/tapeloader/unarchive.lua

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local tArgs = {...}
local function toint(s)
s=s or ""
local n = 0
local i = 1
while true do
local p = s:sub(i,i)
if p == "" then break end
local b = string.byte(p)
n = n << 8
n = n | b
i=i+1
end
return n
end
local fi = io.open(tArgs[1])
while true do
local nlen = toint(fi:read(2))
if nlen == 0 then
break
end
local name = fi:read(nlen)
local fsize = toint(fi:read(2))
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io.write(string.format("%s: %d... ",name,fsize))
if not tArgs[2] then
local dir = name:match("(.+)/.*%.?.+")
if (dir) then
os.execute("mkdir "..dir.." &> /dev/null")
end
local f = io.open(name,"wb")
local rsize,buf = fsize, ""
if f then
repeat
buf = fi:read(math.min(rsize,1024))
f:write(buf)
rsize = rsize - buf:len()
until rsize <= 1
f:close()
end
else
local rsize = fsize
repeat
buf = fi:read(math.min(rsize,1024))
rsize = rsize - buf:len()
until rsize <= 1
end
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print(fsize)
end
fi:close()