> > But now I want to be able to determine, if someone has already > installed > > (via your setup.exe) a cygwin. If so I would like to be able to use > the > > already installed one. But how to determine if there is already an > > installation of cygwin? And furthermore, how can I use it? > > Check for the registry keys HKLM\Software\Cygnus Solutions\Cygwin and > HKCU\Software\Cygnus Solutions\Cygwin. If one of them exists, you have > a Cygwin installation.
Okay fine! I can figure out, that cygwin is installed. But how can I figure out there the run.exe or the other cygwin tools are? The system PATH variable is not updated on an cygwin setup... The next question, how can I read the registry via command line? > > If I detect, that no cygwin (via your setup.exe) is installed, I > would like > > to open a browser which points to your setup.exe so the user could > install > > the cygwin. > > In both cases it may be necessary to determine > > > > Correct me if I am wrong. This approach has no licensing issues. > > If you just call setup to download from the cygwin distro, you have no > licensing problems in your scenario. Okay fine. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
