shell - Unix script how to extract string from a file -

how extract value after 4th slash (/) /ftp-test/testautoupdate/test/1/x64 ?

the extracted result example should 1

awk -f'/' '{print $5}' file  kent$  echo "/ftp-test/testautoupdate/test/1/x64"|awk -f'/' '{print $5}' 1