[ComputerCraft][Program] F0RMATTER

--[[
    [Program] F0RMATTER
    @version 1.0, "Deleting.."
    @author Hellkid98, HK98
--]]

local function centerPrint( y, text )
    local w, h = term.getSize()
    term.setCursorPos( w/2 - #text/2, y )
    write( text )
    print("")
end

local input
repeat
    term.clear()
    term.setCursorPos( 1, 1 )
    term.setTextColor( colors.lime )
    centerPrint( 1, #fs.list("/") .. " files  |  Free Space  " .. fs.getFreeSpace("/") .. " Kb\n" )
    term.setTextColor( colors.green )
    write("Format? (y/n): ")
    input = string.lower(read())
until input:sub( 1,1 ) == "y" or input:sub( 1,1 ) == "n" or input:find( "yes" ) or input:find( "no" )
if input:sub(1,1) == "y" or input:find( "yes" ) then
    for _, f in ipairs( fs.list("") ) do
        if not fs.isReadOnly( f ) and f ~= "disk" then
            term.setTextColor( colors.lime )
            print("Deleting [" .. f .. "]" )
            fs.delete( f )
        else
            term.setTextColor( colors.green )
            print("Ignored [" .. f .. "]" )
        end
    end
    term.setTextColor( colors.yellow )
    print("\nFormatting done! Press any key to continue" )
    os.pullEvent( "key" )
end
term.clear()
term.setCursorPos( 1,1 )
term.setTextColor( colors.white )