progressBar

mon = peripheral.find("monitor")
oldTerm = term.redirect(mon)
w = 10

function drawLine(x,y,length,color) --Defines the function
  oldBgColor = term.getBackgroundColor() --Gets the current background color
  for i = x, (length + x) do --Starts a for loop starting at x and ending when x gets to x + length
        term.setCursorPos(i,y) --Set the cursor position to i,y
        term.setBackgroundColor(color) --Set the background color to the color
        term.write(" ") --Write that color to the screen
  end
  term.setBackgroundColor(oldBgColor) --Reset the background color
end

local width, height = mon.getSize()

drawLine(width / 2 - w / 2, height / 2, w, colors.gray)
paintutils.drawBox(width / 2 - w / 2, height / 2, (width / 2 - w / 2) + w, (height / 2) + 1, colors.white)