dl

a concurrent http file downloader,support rate limit, resume from break-point.

install

go get github.com/ejunjsh/dl

usage

# dl
usage: dl [--header <header> [ --header <header>]] [[rate limit:]url...]
--header: specify your http header,format is "key:value"
rate limit: limit the speed,unit is KB
url...: urls you want to download

example

concurrent download

➜ dl https://download.jetbrains.com/idea/ideaIU-2018.2.1.dmg http://mirrors.neusoft.edu.cn/centos/7/isos/x86_64/CentOS-7-x86_64-Minimal-1804.iso
  ideaIU-2018.2.1.dmg |607.13MB[>                               ]26m13s|384.02KB/s
  CentOS-7-x86_64-Mini|906.00MB[===>                            ] 3m22s|  3.96MB/s

rate limit

below example shows the download speed that is limited in 200KB

➜ dl 200:https://download.jetbrains.com/idea/ideaIU-2018.2.1.dmg
ideaIU-2018.2.1.dmg |607.13MB[===>                            ]46m14s|199.34KB/s

resume from break-point

below shows two commands,the second command resume from the first command

➜ dl https://download.jetbrains.com/idea/ideaIU-2018.2.1.dmg
ideaIU-2018.2.1.dmg |607.13MB[====>                           ] 5m 1s|  1.73MB/s
^C

➜ dl https://download.jetbrains.com/idea/ideaIU-2018.2.1.dmg
ideaIU-2018.2.1.dmg |607.13MB[=====>                          ] 3m17s|  2.57MB/s

customize header

dl --header aaa:bbb --header ccc:ddd  https://download.jetbrains.com/idea/ideaIU-2018.2.1.dmg

above download will use the "aaa:bbb;ccc:ddd" as its header

proxy

support HTTP_PROXY or HTTPS_PROXY environment parameter to setup proxy.