Gerris Manual/Object hierarchy/GfsEventScript

GfsEventScript can be used to execute a shell-script at given intervals.

The syntax in parameter files is as follows:

[ GfsEvent ] {
  COMMANDS
}

where COMMANDS is the script to be executed with /bin/sh.

Several shell variables are set:

GfsTime
the physical time
GfsIter
the iteration number
GfsPid
the processor number
GFS_STOP
if the exit status of the shell script is GFS_STOP the simulation is terminated