Thank you all, I'll have a look into regular expressions... sound very promissing to me.
/johannes -------- Original-Nachricht -------- > Datum: Tue, 14 Feb 2012 20:01:44 +0000 > Von: Glynn Clements <[email protected]> > An: "Johannes Radinger" <[email protected]> > CC: GraSS user list <[email protected]> > Betreff: Re: [GRASS-user] g.mlist with logical operators? > > Johannes Radinger wrote: > > > I'd like to list (using g.list) all raster maps > > that start with rast_* but not those which start with > > rast_A_* OR rast_B_* OR rast_C_*. I tried to use the > > OR operator and | but without success so far. > > Are such logical operators generally applicable with g.mlist? > > No. You may be able to achieve what you want with regexps. Otherwise, > you can process the output from g.mlist with additional programs. > > Writing a regexp which matches the union of multiple patterns > (A OR B OR C) is straightforward enough; just use "(A|B|C)" with > extended regexps or '\(A\|B\|C\)' with basic regexps (care needs to be > taken to ensure that backslashes are passed verbatim rather than being > interpreted by the shell). There isn't an equivalent operator for > intersection or difference, but you can achieve the same result by > filtering the output with "grep" or "grep -v" respectively. > > -- > Glynn Clements <[email protected]> -- NEU: FreePhone 3-fach-Flat mit kostenlosem Smartphone! Jetzt informieren: http://www.gmx.net/de/go/freephone/ _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
