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November 6, 2015 06:09
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download large file in parts using curl in linux
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| #!/bin/sh | |
| #This script can be used as a sort of download accelerator and also it can be used to download large files from a url in parts. | |
| #Here, as an example, I've used it to download the kubuntu 15.10 version | |
| #url1, url2, url3, url4 are user-defined variables | |
| url1=http://d33vwem6kwnf57.cloudfront.net/kubuntu-15.10-desktop-amd64.iso | |
| url2=http://d33vwem6kwnf57.cloudfront.net/kubuntu-15.10-desktop-amd64.iso | |
| url3=http://d33vwem6kwnf57.cloudfront.net/kubuntu-15.10-desktop-amd64.iso | |
| url4=http://d33vwem6kwnf57.cloudfront.net/kubuntu-15.10-desktop-amd64.iso | |
| curl --range 0-200000000 -o kubuntu-iso.part1 $url1 & | |
| curl --range 200000001-400000000 -o kubuntu-iso.part2 $url2 & | |
| curl --range 400000001-600000000 -o kubuntu-iso.part3 $url3 & | |
| curl --range 600000001- -o kubuntu-iso.part4 $url4 & | |
| #after download, the initial iso image is now downloaded as 4 different parts, | |
| #the following command can be used to join the files together | |
| # $ cat kubuntu-iso.part? > kubuntu-15.10-desktop-amd64.iso |
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can be used to download large files in parts (helpful if there is a file-size limit per download :P )