Thank you, Guy, that helps a lot! :) On Sat, Oct 23, 2021 at 7:39 PM Guy Stalnaker <jimmyg...@gmail.com> wrote:
> Kira, > > Your computer will care. Some operating systems "register" installed > applications to open certain kinds of files (or files with specific > extensions; e.g., Adobe Acrobat is registered to open files with .pdf > extensions so that one can double-click on the file in the File Explorer > and the application will run and open the file). > > By default Lilypond opens files with the .ly extension. When you install > Frescobaldi there is usually a step where the installer specifically asks > if you want it to open .ly files. > > Having more than one version of a program installed requires that *you* > keep track of which versions are registered and also where they are > installed. For example, if Version X of ProgramA is installed and you then > install Version Y, typically the installers are written to install files > into the same path/folder. Thus Version Y will overwrite Version X. To > prevent that, many installers give you the option to explicitly say where > to install the application. That's what you'll have to do here. > > It is possible to do this with both Lilypond and Frescobaldi. If I may, > choose installation folders that have names relevant to your use for them. > For example, since "work" requires LP 2.16.2, create a folder in your Home > directory ~/<home>/Work/Programs and install LP 2.16.2 and an appropriate > version of Frescobaldi (one that "knows" about LP 2.16.2 rather than LP > 2.20.*) there. Then you can install the latest and greatest LP and > Frescobaldi in their default locations. Updates to Frescobaldi and LP go to > their defaults as they are released and the World folder remains constant > and unaffected by those changes. > > Many years ago I was the support triage agent for my IT group at a large > mid-western public university. I had 3-4 different versions of MS Office, > Corel Office, Adobe (everything) on the same computer (because there was no > IT standardization across the university that that's what it took to > support the many possible versions). It worked with due diligence (but no > one, ever, was allowed to touch that computer LOL). > > Hope I've helped a little. > > Regards. > > On Sat, Oct 23, 2021, 5:58 PM Kira Garvie <kgar...@gmail.com> wrote: > >> What I was told is that there are some features on the back-end of the >> program that turns the Lilypond scores into manipulatable scores for the >> company that doesn't play well with some of the newer updates to Lilypond. >> So I can have more than one Lilypond program downloaded, my computer won't >> care? >> >> On Sat, Oct 23, 2021 at 6:50 PM David Kastrup <d...@gnu.org> wrote: >> >>> Kira Garvie <kgar...@gmail.com> writes: >>> >>> > Hi all, >>> > I saw this referenced in the Frescobaldi manual, but is it possible to >>> have >>> > multiple versions of Lilypond installed on my computer at once? Many >>> of you >>> > know I have to use version 2.16.2 for my work (don't ask me why, I >>> honestly >>> > don't know), >>> >>> That's more than 8 years old. Does _anybody_ actually know? >>> >>> > but I would like to use a more recent version for some other engraving >>> > jobs. And can I use an older version of Frescobaldi with a newer >>> > version of Lilypond? Thank you! Best, Kira >>> >>> As far as I understand, Frescobaldi supported using multiple versions of >>> LilyPond for a long time now. Of course, an older version of >>> Frescobaldi will not know about newer syntax features (like pitchless >>> music for percussion entry and a number of other things). >>> >>> -- >>> David Kastrup >>> >>
