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Re: is variable with variable name possible?



2011-04-04 16:25:01 +0200, Mikael Magnusson:
> On 4 April 2011 16:06, Stephane Chazelas <stephane_chazelas@xxxxxxxx> wrote:
> > 2011-04-04 15:48:32 +0200, Jérémie Roquet:
> > [...]
> >> 2011/4/4 zzapper <david@xxxxxxxxxx>:
> >> > somevar=$(pwd)
> >> >
> >> > but I want somevar to be a variable name
> >>
> >> $ eval "$somevar=$(pwd)"
> > [...]
> >
> > No!
> >
> > eval "$somevar=\$(pwd)"
> > or
> > eval "$somevar=\$PWD"
> >
> >
> > Or think of what would happen if $PWD was "/tmp/x;rm -rf /home"
> 
> How do you feel about this?
> : ${(P)somevar::=$PWD}
[...]

Try after

sudo ln -s . '/*'
cd '/*/*/*/*/*'
setopt globsubst

;-)

(if you're lucky, it won't crash your machine).

-- 
Stephane



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