I think you want: mpirun -np 6 ./laplace < HERE | tail -n 1 > output
You can add brackets to make it clearer: ((mpirun -np 6 ./laplace < HERE) | tail -n 1) > output Hope this helps? Benjie. On 16 May 2011 17:35, Robin Wilson <ro...@rtwilson.com> wrote: > Hi all, > > I have the following code in a batch script: > > mpirun -np 6 ./laplace <<END > 100 > 100 > 100 > 0.01 > 100 > 3 > 2 > 1 > END > | tail -n 1 > output > > What I want it to do is to use the HERE file as input to the mpirun > command, and then pipe the output of the mpirun command to the tail > command. However, I think the HERE file and tail output things are getting > confused. > > Any ideas on how should I write this so that it does what I want? > > Cheers, > > Robin > -- > Please post to: Hampshire@mailman.lug.org.uk > Web Interface: https://mailman.lug.org.uk/mailman/listinfo/hampshire > LUG URL: http://www.hantslug.org.uk > -------------------------------------------------------------- >
-- Please post to: Hampshire@mailman.lug.org.uk Web Interface: https://mailman.lug.org.uk/mailman/listinfo/hampshire LUG URL: http://www.hantslug.org.uk --------------------------------------------------------------
