[Wolves] Shell Script "text variable"

[chris procter]

--- David Goodwin <dg at clocksoft.com> wrote:
> read someVariable
> 
> After this, $someVariable can be used, e.g.
> 
> if [ "x$someVariable" == "xSomething" ]; then
>      # do something here.
> fi
> 
> David.

Why do you have the x at the beginning of the strings
in the test?  Are you trying to provide a default
value in case $someVariable isn't set (in which case
you dont need it as long as you quote the strings so
it defaults to "" if its null) or is this some arcane
hacker magic?

chris


		
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