nested loops

[Randal Schwartz]

In article <1990Aug12.030137.19989 at uncle.uucp>, donlash at uncle (Donald Lashomb) writes:
| Try using an eval like this:  eval $`echo $i`
| eval causes the shell to "double-scan" the line,
| thereby picking up and evaluating the ${this/that/whatever}
| as a variable.

Please don't use `echo $i`, as it is equivalent to $i for all plain
values of $i, and forks an extra process or two on BourneShellClassic.
As I said in an earlier post, eval echo \$$i does pretty much what you
wanted in this case.

Just another Bourne Shell hacker,
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