getconf isoonly yes
getconf imagefile backup.iso
getconf device
+getconf nicelevel 0
# define needed executables:
MKISOFS="/usr/bin/mkisofs"
fi
outputfile="$backupdir/$imagefile"
-execstr="$MKISOFS --quiet -R -o $outputfile "
+execstr="nice -n $nicelevel $MKISOFS --quiet -R -o $outputfile "
str=""
# excludes