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need help related to gnu parallel

From: Rohit Awasthi
Subject: need help related to gnu parallel
Date: Wed, 25 Jul 2012 17:44:59 -0700

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


for i in hosts.file
time wget>> log

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 help me out in this.


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