# delete extra field by index args encrypt.zip get_extra 0 0 c get_extra 0 1 c get_extra 0 2 c get_extra 0 0 l get_extra 0 1 l get_extra 0 2 l delete_extra 0 2 c delete_extra 0 0 l get_extra 0 0 c get_extra 0 1 c get_extra 0 0 l get_extra 0 1 l file encrypt.zip encrypt_plus_extra.zip encrypt.zip return 0 stdout Extra field 0x5455: len 5, data 0x033dda4c44 stdout Extra field 0x7855: len 0 stdout Extra field 0x0929: len 17, data 0x65787472616669656c64636f6e74656e74 stdout Extra field 0x0929: len 17, data 0x65787472616669656c64636f6e74656e74 stdout Extra field 0x5455: len 9, data 0x033dda4c444dda4c44 stdout Extra field 0x7855: len 4, data 0x64001400 stdout Extra field 0x5455: len 5, data 0x033dda4c44 stdout Extra field 0x7855: len 0 stdout Extra field 0x5455: len 9, data 0x033dda4c444dda4c44 stdout Extra field 0x7855: len 4, data 0x64001400