Dollar expansion (Was: Registry editor)

[Oswald Buddenhagen]

On Sun, Apr 28, 2002 at 04:18:21PM +0200, Martijn Klingens wrote:
> Add a [$b] to allow expanding backticks as in
> 
> Name[$be]=`grep "^${USER}:" /etc/passwd | cut -d: -f5`
> 
> ?
> 
i'd prefer the posix shell $(command) syntax. backticks have some nasty
quotation implications.

> Thinking of this a bit more... I think there's a small security issue with 
> Waldo's new options.
> 
you're paranoid ... :)

> Waldo, suppose a sysadmin put the following in a config file in the
> global $KDEDIR:
> 
> Hostname[$ie]=$HOSTNAME
> 
why should this be a risk? the user can hurt himself only.
this would be only a problem for setuid programs, but a) a sysadmin
who blindly trust user-supplied data in a setuid program should be 
killed and b) kdelibs does not support setuid progs anyway.

greetings

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