-y (assume Yes on all queries) switch
Disables most of the normal user queries during 7-Zip execution. You can use this switch to suppress overwrite queries in the e (Extract) and x (Extract with full paths) commands.
Syntax
-y
Examples
7z x src.zip -y
extracts all files from src.zip archive. All overwrite queries will be suppressed and files on disk with same filenames as in archive will be overwritten.
Commands that can be used with this switch
e (Extract), x (Extract with full paths)
See also
Switches: -ao (Overwrite mode),