Renew YouTube channel for offline use, comma separated

I have following directories / youtube channels in ~/Videos dir:

bpm.group,UCl5qNQUzmy7HAZ75Iv-m2sA
marlon.alves,UCkOfNQYegVUzsADNNZNOH2g
maxi.bravo,UCtTkPgI2Xxc2dqmhuWfOrPg
md.twins,mauroreyesbest
primitive.technology,UCAL3JXZSzSm8AlZyD3nQdBA
tiny.house,livingbigtinyhouse
William.Flores,williamfloresTV
zabbix,ZabbixSIA
zumba.redstudio,UC-2WWk_2TkYzYM2dW8UCcXQ

Once I need to download the latest videos I am using: