gistfile1.txt

#!/bin/sh

# change to home dir
cd $HOME

# erzeuge log file name basierend auf Datum, Zeit und Prozess ID
log=log/t5-download-lf10-`date '+%y%m%dT%H%M'`.$$.log
exec 0<&-
exec 1> $log
exec 2>&1

echo "(begin `date`)"

lock=$HOME/t5-download-lf10.lock
if lockfile -r 1 $lock; then
	# -e= stop after non-zero return, -x=show cmd before execute 
	# set -ex
	set -x
	if make -f makefile5 download-lf10
	then echo "t5-download-lf10 success"
	else
          errorTime=`date '+%F %T'`
          mutt -s "t5-download-lf10 failure time: ${errorTime}" [email protected]
          mutt -s "t5-dwonload-lf10 failure time: ${errorTime}" [email protected]
        fi
	rm -f $lock
fi
echo "(end `date`)"