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Re: need help related to gnu parallel

From: Ole Tange
Subject: Re: need help related to gnu parallel
Date: Wed, 1 Aug 2012 12:31:23 +0200

On Thu, Jul 26, 2012 at 2:44 AM, Rohit Awasthi <> wrote:
> Hi everyone, I need some help with shell scripting.
> I have shell script which in the for loop goes through about 1000 hosts and
> downloads files using wget
> Example:
> for i in hosts.file
> do
> time wget>> log
> done
> Now this process takes so long to go through so many hosts on the network,
> and what I would like to do is to run about 10 or 20 of those commands
> concurrently in parallel, so instead of hours, it would take much quicker to
> get data collected.
> I am using gnu parallel for this purpose, but not able to do it.

Please confirm that:

* you have watched
* you have read all the examples in the man page
* you have read about the option --nonall

After you have confirmed that, I will be happy to help you out.


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