- scripts properly documented using inline comments - HOME excluded by default - the unwrap script also checks for excluded variables - the user can specify extra env vars to be excluded, both at wrap and unwrap time , using either glexec_{un}wrapenv.pl --exclude=A --exclude=B or glexec_{un}wrapenv.pl --exclude=A,B,C Use the 'glexec_wrap.sh' like: /sbin/glexec_wrap.sh Which will use the defaults of the glexec_wrap and glexec_unwrap scripts around gLExec and will forward your commands in the appropriate way. For more information see the website: http://www.nikhef.nl/grid/lcaslcmaps/ and drill down to the gLExec content and the How-To section.