This PRs addresses #5 but not using parallel downloads. The files are sequentially downloaded chunk by chunk using the HTTP content-range header. Manually I tested this branch with:
$ go run main.go http://200.152.38.155/CNPJ/Paises.zip
2022/11/19 10:32:34 Downloaded http://200.152.38.155/CNPJ/Paises.zip (2745 bytes) to /var/folders/zb/0n9ntv254vq9zfhsvyq2g7680000gn/T/Paises.zip (2745 bytes).
2022/11/19 10:32:35 All download(s) finished successfully.
$ unzip /var/folders/zb/0n9ntv254vq9zfhsvyq2g7680000gn/T/Paises.zip
Archive: /var/folders/zb/0n9ntv254vq9zfhsvyq2g7680000gn/T/Paises.zip
inflating: F.K03200$Z.D21008.PAISCSV
$ head F.K03200\$Z.D21008.PAISCSV && tail F.K03200\$Z.D21008.PAISCSV
"000";"COLIS POSTAUX"
"013";"AFEGANISTAO"
"017";"ALBANIA"
"020";"ALBORAN-PEREJIL,ILHAS"
"023";"ALEMANHA"
"025";"ALEMANHA, REP. DEMOCRATICA DA"
"031";"BURKINA FASO"
"037";"ANDORRA"
"040";"ANGOLA"
"041";"ANGUILLA"
"866";"VIRGENS, ILHAS (EUA)"
"870";"FIJI"
"875";"WALLIS E FUTURNA, ILHAS"
"888";"ZAIRE"
"890";"ZAMBIA"
"895";"ZONA DO CANAL DO PANAMA"
"990";"PROV. DE NAVIOS E AERONAVES"
"997";"NAO DECLARADOS"
"998";"NAO DECLARADO PRELIMINAR"
"999";"NAO DECLARADOS"
I decided to change uint64 to int64 because I've found out that an error in conversion would make debugging way more difficult. Happy to revert that once the package is more stable.
This PRs addresses #5 but not using parallel downloads. The files are sequentially downloaded chunk by chunk using the HTTP content-range header. Manually I tested this branch with:
I decided to change
uint64toint64because I've found out that an error in conversion would make debugging way more difficult. Happy to revert that once the package is more stable.