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Re: [Help-bash] dumb person's looping

From: kqt4at5v
Subject: Re: [Help-bash] dumb person's looping
Date: Wed, 7 Jan 2015 08:56:46 -0600 (CST)
User-agent: Alpine 2.02 (DEB 1266 2009-07-14)

On Wed, 7 Jan 2015, Greg Wooledge wrote:

On Wed, Jan 07, 2015 at 08:28:01AM -0600, address@hidden wrote:
Would y'all explain in simple terms what is going wrong here

while read l; do echo "checking ${l}"; ssh ${l} ls; done <list_of_servers

After the first server the loop terminates

Brief explanation: ssh and read are both reading from the same stdin
stream.  ssh is greedy and grabs all the data.  The wiki page shows
some workarounds.

Simple solution

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