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Re: Substituting the value of an environment variable that is passed

Heiko

2004-08-24, 7:06 pm

Chuck Dillon wrote:
> Anil Venugopalan wrote:
>
>
>
> $ crap='$HOME'
> $ echo $crap
> $HOME
> $ eval echo $crap
> /export/home/cdillon
> $ foo=`eval echo $crap`
> $ echo $foo
> /export/home/cdillon

Or (bash):

$ crap=HOME
$ echo ${!crap}
/home/heiko

Regards,

Heiko