On Wed 08 May 2019 at 08:33:05 (-0400), Greg Wooledge wrote: > On Tue, May 07, 2019 at 11:23:46PM +0200, Esteban L wrote: > > pid=$(pgrep -u $username nautilus) > > This may produce more than one value. > The script you've got is not designed to handle the case where pgrep finds > more than one process and reports more than one PID. It has to be > rewritten to handle that. … and for none. What's nautilus? :) Cheers, David.