pipe confusion

Heya folks,
 

Piping and redirection are sore troublesome topics for me. They
shouldn't be, seems easy enough, but obviously not, so any help is
appreciated.

Keeping it simple, I have n number of hosts I want to execute a command
(or shell script, even) on. These hosts are listed in a file
~/hostlist.

What's wrong with

            rsh - ls < hostlist ! where ls is the command I want to
execute on the remote systems.

It looks like it has something to do with the stdin -not- feeding to
'-', like I expect it to, but I'm having trouble getting past that.

Thanks in advance,

Lee

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Received on Mon Apr 12 08:39:41 2004