[ale] Read multiple variables

[leam hall]

I've never been good at subshells, hence the pipe.


I used an explicit subshell out of habit... became habitual for me back
> when I was writing a lot of shell scripts on my system to control other
> systems via telnet.  Had to do it that way because we weren't allowed to
> "modify the platform" by "installing scripts on it", but they never said
> anything about making scripts to automate the shell itself on my local
> system... :-D
>
>     — Mike
>
>
-- 
Mind on a Mission <http://leamhall.blogspot.com/>
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