VECGEOM-277 Support both posix and gnu sed.
Gnu sed requires -i[extension] while posix sed requires "-i extension". With a different in both space or no space and required or not required argument
Also gnu sed requires the -e ...
Gnu sed requires -i[extension] while posix sed requires "-i extension". With a different in both space or no space and required or not required argument
Also gnu sed requires the -e ...