Re: Possible Feature Requests (unsource, exchange)

[Greg Wooledge]

> > # Usage: exchange varname1 varname2
> > exchange() {
> >    local tmp
> >    [[ $1 = *[^[:alnum:]_]* || $1 = [0-9]* ]] &&
> >      { echo "Naughty naughty" >&2; return 1; }
> >    [[ $2 = *[^[:alnum:]_]* || $2 = [0-9]* ]] &&
> >      { echo "Naughty naughty" >&2; return 1; }
> >    eval tmp=\$$1
> >    eval $1=\$$2
> >    eval $2=\$tmp
> >    return 0
> > }

> Me too, did not found anything wrong. Mind, if I'm going to include
> this in my software? Would have to be GPL v3 though. (CREDITS of course
> will go to you).

Any code I write to a public mailing list is public domain, including
this.  You may do anything you want with it.