[ale] for in bash using eval

[dsj at dsj.net (David S. Jackson)]

Thus spake Michelangelo Grigni (mic at mathcs.emory.edu):

> How about this (a function rather than script, but that
> could be changed):
> 
> # A pascal-style for loop (no foolin with that counter)
> 
> function loop
> {
>    local varname="$1" counter="$2" upper="$3"
>    shift 3
>    while [ $counter -le $upper ]
>    do
>      eval "$varname=$counter; $@"
>      counter=$(($counter+1))
>    done
> }
> 
> loop i 1 10 echo \$i

GREAT!  :-)

I think that's it!  If you don't mind, I'm gonna email OReilly and see
if this is what the author had in mind.  I think this is it all right.
:-)

Great work!

--
David S. Jackson                           http://www.dsj.net
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"It is a greater compliment to be trusted than to be loved."
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