the "if file exists" argument is duplicated

[hercut]

Hello,

I have trouble understanding the difference between the two arguments in the "option" part.

Could you explain it to me, probably due to a translation problem...

[Mr_Noodle]

An existing file is one with the same name. It is not necessarily a duplicate. A duplicate means its contents are the same.

[hercut]

Ok I understand better.
It's a translation error on my part, sorry.