saewan: > I am trying to use g.mlist to gather files to use with r.series. > r.series input="`g.mlist pat='*1987*pdds' sep=,`" output=test1987dd0 > method=sum Try this: r.series input=`g.mlist pat=*1987*pdds sep=,` output=test1987dd0 method=sum Nikos