How to read a line, take action after it’s completed, go to the next line?

how to read a line, take action after it’s completed, go to the next line??

@BrunoAmorim17

Could you please tell more details about the issue ? Is it what type of file like text or Excel or any other file ?

Please don’t create multiple topics for the same question @BrunoAmorim17
here is another topic @loginerror