[CentOS] script question

On Fri, Jun 11, 2010 at 10:04 AM, Jerry Geis <geisj at pagestation.com> wrote:
> Hi all,
>
>
> in a script if I have:
> VERSION="3.2.0"
>
> I can do:
> echo jj-$VERSION-jj
> and get jj-3.2.0-jj
>
> however if I do:
> echo jj_$VERSION_jj
> I get jj_
>
> How do I get the $VERSION to work with the underscores like the dashes do.

I see 4 ways:

echo jj_${VERSION}_jj

echo jj_"$VERSION"_jj

echo jj-$VERSION-jj | tr '-' '_'

printf jj_%s_jj $VERSION

I am sure there are others.

HTH,

-Bob