progress bar

function gen(pTable, hidden)
    local termWidth, termHeight = term.getSize()
    local ogTerm = term.current()
    local bgWindow = window.create(ogTerm, 1, 1, termWidth, termHeight, false)

    -- All customizable values.
    local barWidth = math.floor(termWidth*.75)
    local fullChar = " "
    local emptyChar = "\143"
    local bg = "f"
    local fg = "0"

    -- Draws the empty progress bar.
    local mouseX, mouseY = term.getCursorPos()
    term.setCursorPos(termWidth/2-barWidth/2, mouseY)
    term.blit(emptyChar:rep(barWidth), bg:rep(barWidth), fg:rep(barWidth))

    -- Iterates through the table and performs functions.
    for key, value in pairs(pTable) do
        if hidden then term.redirect(bgWindow) end
        value()
        term.redirect(ogTerm)
    -- Draws 'full characters' to the progress bar as the action finishes.
        term.setCursorPos(termWidth/2-barWidth/2, mouseY)
        term.blit(fullChar:rep(math.floor(key / #pTable * barWidth)), bg:rep(math.floor(key / #pTable * barWidth)), fg:rep(math.floor(key / #pTable * barWidth)))
    end
    term.setCursorPos(mouseX, mouseY+1)
end

return gen