I use OSProcess and CommandShell in Pharo 4.0. Works well. Load them by��
Gofer new
squeaksource: 'OSProcess';
package: 'OSProcess';
load.
Gofer new
squeaksource: 'CommandShell';
package: 'CommandShell-Piping';
load.
and then do something like
PipeableOSProcess command: 'netstat -a | grep LISTEN | grep 27017'