#!/bin/bash dorun() { echo "starting dorun $np" mpirun -machinefile $HOME/mpi32 -np $1 /home/hines/neuron/mpi*6/i686/bin/nrniv batch_.hoc >& temp sort -k 1n,1n -k 2n,2n out.dat > out.$1 mv temp stdout.$1 echo "completed dorun $np" } for np in 25 20 10 5 2 1 ; do dorun $np done