On Mon, 22 Jul 2019, Artur Tarassow wrote: > Hi Allin and Jack, > > Often one works, at least me, on different machines which may have > different directory structures; something like > > <hansl> > scalar MACHINE = 1 > if MACHINE==1 >     string wd = "home/user_b/Dropbox/project/" > elif MACHINE==2 >     string wd = "home/user_B/SomStuff/project/" > endif > </hansl> > > This requires that one always need to select manually some active > machine. Linux (and I guess also Windows and MacOS), however, stores a > unique identifier for every machine, try <cat /etc/machine-id>. See > e.g. here for details: > http://man7.org/linux/man-pages/man5/machine-id.5.html > > Do you also consider it worthy to add such an accessor which could be > named "idmachine". Alternatively it could be stored in the bundle > accessed by $sysinfo. I don't think this is portable. You can google to find lots of inconclusive discussion of how to find a unique machine ID on Windows. However, we already report as the "hostname" member of $sysinfo whatever the GLib function g_get_host_name() returns, and it seems that should probably be adequate for the purpose you have in mind.