Attempt to index ? a function value line 35

--Creeper9207 Code: CyptonOS Terminal--
a = { ... }
startMenu = 0
os.unloadAPI("/home/termapi")
os.loadAPI("/home/termapi")
os.unloadAPI("/home/dbapi")
os.loadAPI("/home/dbapi")
function ddraw()
x, z = term.getSize()
paintutils.drawFilledBox(1, 1, x, z, colors.orange)
--paintutils.drawFilledBox(1, 1, 6, 19, colors.orange)
paintutils.drawFilledBox(1, 1, x, 1, colors.gray )
paintutils.drawFilledBox(1, 1, 7, 1, colors.lightGray )
term.setCursorPos(1, 1)
term.setTextColor( colors.white )
term.write("[Start]")
term.setBackgroundColor( colors.gray )
term.setCursorPos(z - 5, 1)
term.write("Storage Used: " .. 1048576 - fs.getFreeSpace("/") .. "/1048576")
end
function drawMenu()
paintutils.drawFilledBox(1, 2, 7, 6, colors.lightGray)
term.setCursorPos(1, 2)
term.write("[Term]")
term.setCursorPos(1, 3)
term.write("[Files]")
term.setCursorPos(1, 4)
term.write("[Quest]")
term.setCursorPos(1, 5)
term.write("[Text]")
end
function drawRCM(x, y)
paintutils.drawFilledBox(x, y, x+7, y+6, colors.lightGray)
end
shell.setDir("home")																 ---erroring line #35
shell.setAlias("nano", "/home/nano")
term.setCursorPos(1, 19)
if fs.exists("/.termdata/hasran") == true then
else
  mainsetup = { at = "null", bt = "nil", }
  ot = fs.open("/home/main", "w")
  ot.write(textutils.serialize(mainsetup))
  ot.flush()
  ot.close()
  term.setTextColor( colors.green )
  term.setCursorPos(1, 19)
  print("Please type a new password")
  io.write("> ")
  termapi.draw()
  term.setBackgroundColor( colors.black )
  term.setTextColor( colors.green )
  term.setCursorPos(3, 19)
  passwd = io.read()
  dbapi.setValue("/home/main", 2, passwd)
  print("Please enter a name for this computer")
  io.write("> ")
  termapi.draw()
  term.setTextColor(colors.green)
  term.setBackgroundColor( colors.black )
  term.setCursorPos(3, 19)
  cname = io.read()
  dbapi.setValue("/home/main", 3, cname)
  h = fs.open("/.termdata/hasran", "w")
  h.write("do not delete")
  h.flush()
  h.close()
  print("Do you want to launch in the desktop? Y/n")
  io.write("> ")
  termapi.draw()
  term.setBackgroundColor(colors.black)
  term.setTextColor(colors.green)
  term.setCursorPos(3, 19)
  p = io.read()
  if p == "Y" then
  l = "desktop"
  elseif p == "y" then
  else
  l = "term"
  end
  dbapi.setValue("/home/config.db", 1, l)
end
function verify()
term.setTextColor(colors.green)
term.setCursorPos(1, 19)
print("Password:")
io.write("> ")
termapi.draw()
term.setBackgroundColor( colors.black )
term.setTextColor(colors.black)
term.setCursorPos(3, 19)
password = io.read()
term.setTextColor(colors.green)
if password == dbapi.getValue("/home/main", 2) then
else
print("Incorrect, please try again")
verify()
end
end
verify()
if dbapi.getValue("/home/config.db", 1) == "desktop" then
if a[1] == "term" then
else
shell.run("/home/gui/desktop")
end
else
end
shell.setAlias("term", "/home/term")
function tshell()
while true do
  termapi.draw()
  term.setTextColor(colors.green)
  term.setCursorPos(1, 19)
  term.setBackgroundColor(colors.black)
  term.write(dbapi.getValue("/home/main", 3) .. " " .. shell.dir() .. "> ")
  a = io.read()
  tostring(a)
  if string.find(a, "run") then
    b = a:gsub("run ", "")
    shell.run(B)/>
  elseif string.find(a, "cd") then
    shell.run(a)
  elseif string.find(a, "dir") then
    shell.run(a)
  elseif string.find(a, "nano") then
    shell.run(a)
  elseif string.find(a, "mkdir") then
    shell.run(a)
  elseif string.find(a, "shutdown") then
    os.shutdown()
  elseif string.find(a, "reboot") then
    os.reboot()
  elseif string.find(a, "wget") then
    shell.run(a)
  elseif string.find(a, "passwd") then
    shell.run(a)
  elseif string.find(a, "label") then
    b = a:gsub("label ", "")
    dbapi.setValue("/home/main.db", 3, B)/>
    print("Computer name set to " .. B)/>
    os.reboot()
  elseif string.find(a, "files") then
    shell.run(a)
  elseif string.find(a, "launch") then
    if fs.exists("/home/apps/" .. a) then
    shell.run("/home/apps/" .. a)
    else
    print("App not found, type 'Apps' for a list of apps")
    end
  elseif string.find(a, "desktop") then
    shell.run("/home/gui/desktop")
  else
    shell.run(a)
    --print("unknown command or program not found, type 'help' for command list")
  end
end
end
function buttons()
while true do
event, button, x, y = os.pullEvent()
if event then
  if button == 1 then
    if x < 7 and y == 1 then
	  if startMenu == 0 then
	    drawMenu()
	    startMenu = 1
	  else
	    ddraw()
	    startMenu = 0
	  end
    elseif x < 7 and y == 2 and startMenu == 1 then
	  x, y = term.getCursorPos()
	  paintutils.drawFilledBox(1, 1, x, y, colors.black)
	  shell.run("/home/term term")
    elseif x < 7 and y == 3 and startMenu == 1 then
	  a = shell.run("/home/Files")
	  draw()
    elseif x < 7 and y == 4 and startMenu == 1 then
	  a = shell.run("/home/apps/quest")
	  draw()
    elseif x < 7 and y == 5 and startMenu == 1 then
	  a = shell.run("/home/luaide")
	  draw()
    end
  elseif button == 2 then
    if RCM == 0 then
	  --drawRCM(x, y)
	  RCM = 1
    else
	  --draw()
	  RCM = 0
    end
  end
end
end
end
while true do
parallel.waitForAny(tshell, buttons)
end

if fs.exists("/.termdata/hasran") == true then
else
  print("Code here")
end
-- Can be replaced with
if not fs.exists("/.termdata/hasran") then
  print("Code here")
end