using linux program mail

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hi group members,

I like to use the program mail to send myself emails when certain jobs are finished since I am running a lot of computations on different machines. This is a typical feature of grid engines. Since I got an account on a system without such a engine, I like to write a short script which starts my jobs and sends me an email when it is finished. Here is a rough draft:

# /bin/bash
JOBNAME=job
SHELLPID=$$
cd /scratch
cd $USER
mkdir $JOBNAME$SHELLPID
cd $JOBNAME$SHELLPID
RUN=$HOME/charmm < /scratch/job$SHELLPID.in > job$SHELLPID.out
mail -s "Job at $HOSTNAME with job$SHELLPID done"  my@xxxxxxxxxxxxxxx

so how do I terminate the input of mail? which is usually done by ctrl d ... or can someone point me to a source which might do what I want?
Searching on google linux mail is not so very successful.

thanks,
fengler


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