more bash! regex substitution to crop trailing whitespaces

[Madison Kelly]

E K wrote:
> Can you try 
> 
> VAL1=`echo $VAL`   # ` is the back quote
> 
> and use $VAL1 in what you will be using $VAL. If the trailing spaces
> are recognized as such by the shell, the above assignment should
> remove them.
> 
> Hope that helps,
> EK

This does indeed work. It's not a "proper" regex, but at this point... :P

Thanks!

Madi
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