LeoError 1.0

--Error function
function leoError(errorWhen,errorInfo)
    resetScreen()
    print("A fatal error occured when "..errorWhen)
    if errorInfo ~= "" then
        print (errorInfo)
    end
end

--Sample use
if fs.exists(sFile) then
        local hRead = assert(fs.open(sFile, "r"))
        sTime = hRead.readLine()
        hRead.close()
    else
        leoError("trying to open alarmtime.txt","Please check if 'alarmtime.txt' in the folder of the file 'alarm' exists.")
    end

--Output for user
A fatal error occured when trying to open alarmtime.txt
Please check if 'alarmime.txt' in the folde rof the file 'alarm' exists.