how to iterate through rows in csv file and select only one column values ,place them in seperate csv file
well you can use read CSV activity to place your csv in a dataTable and then if you want to filter your dataTable using the Filter Data Table activity.
can you provide an example for that
Try to find out from this
https://www.uipath.com/kb-articles/how-to-read-data-from-a-csv-file
Thanks,
Prankur