bash shell puzzle....

[Andrew P. Lentvorski, Jr.]

On Mar 3, 2005, at 4:12 PM, John H. Robinson, IV wrote:

> Yes, that works great to know if MAYBESET is set or not, but if 
> MAYBESET
> is set to OTHERVAR (MAYBESET=OTHERVAR) and I want to know if OTHERVAR 
> is
> set or not. Think of MAYBESET as an indirect variable.

Hrm.  I will have to pull up my deeper bourne references for that one.

There is almost certainly an idiom.  It will not be as succinct.

There is a reason why korn, bash, zsh, etc. all have indirect variables 
built in.

-a