Tool for u-blox .ubx file that download from AssistNow Offline service

usages:
    assistnow-offline --print=true --data=true --type=true --ver=true
        print all data
    assistnow-offline --print=false --range=true
        only show the range of date
    assistnow-offline --file=my_mgaoffline.ubx
        use my_mgaoffline.ubx instead mgaoffline.ubx
    assistnow-offline --query=2022-12-18,2022-12-25
        only show data that 2022-12-18 to 2022-12-25, both 2022-12-18 and 2022-12-25 included
    assistnow-offline --query=now
        only show data of today (use system time, UTC)
    assistnow-offline --print-raw=true
        show raw data, --print/--data/--type/--ver/--range will be ignore

options:
    --print, -p
        print datas
    --data, -d
        if --print, print field 'data' or not
    --type, -t
        if --print, print field 'type' or not
    --ver, -v
        if --print, print field 'ver' or not
    --range, -r
        print range or not, the range of date of this file
    --file, -f
        use alternative file instead default mgaoffline.ubx
    --query, -q
        if --print or --print-raw, only show the range of query range, for format pls refer to usages
    --print-raw
        print raw data instead text, for send data to u-blox receiver
        --query will works
        --print/--data/--type/--ver/--range will be ignore
    --help, -h
        hi, it me

exit code:
    0: normally exit
    2: error, syntax error or can not open file
    13: query nothing