args = { ... }
path = args[1]

special = {}
special[40] = true
special[41] = true
special[46] = true
special[37] = true
special[43] = true
special[45] = true
special[42] = true
special[63] = true
special[91] = true
special[94] = true
special[36] = true

from = 33
to = 126

nTbl = {}
oTbl = {}
for i=1,to-from+1,1 do
    nTbl[#nTbl+1] = (from+i)-1
    oTbl[#oTbl+1] = (from+i)-1
end

sTbl = {}
for i=1,#oTbl,1 do
    sNum = math.random(1,#oTbl)
    sTbl[#sTbl+1] = tonumber(oTbl[sNum])
    table.remove(oTbl,sNum)
end

file = fs.open(path,"r")
fileCont = file.readAll()
file.close()

for i=1,#sTbl,1 do
    replaceChar = nTbl[i]
    withChar = sTbl[i]
    print(i .. ": " .. string.char(replaceChar) .. " => " .. string.char(withChar) .. "(" .. sTbl[i] .. ")")
    if special[nTbl[i]] == true then
        if sTbl[i] == 37 then
            fileCont = string.gsub(fileCont,"%" .. string.char(replaceChar),"%" .. string.char(withChar))
        else
            fileCont = string.gsub(fileCont,"%" .. string.char(replaceChar),string.char(withChar))
        end
    else
        if sTbl[i] == 37 then
            fileCont = string.gsub(fileCont,string.char(replaceChar),"%" .. string.char(withChar))
        else
            fileCont = string.gsub(fileCont,string.char(replaceChar),string.char(withChar))
        end
    end
end
str = ""
for i,k in pairs(nTbl) do
	str = str .. k
end
print("Key: " .. str)
fileWr = fs.open(path .. ".key","w")
fileWr.write(str)
fileWr.close()

fileWr = fs.open(path,"w")
fileWr.write(fileCont)
fileWr.close()