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| #!/bin/sh
FILENAME=policyno.unl
PARALLEL=10
TOTALROW=`wc -l $FILENAME | awk '{print $1}'`
DIVROW=$(( $TOTALROW / $PARALLEL ))
LEFTROW=$(( $TOTALROW % $PARALLEL ))
for ((i=1;i<=$PARALLEL;i++))
do
if [ $i -le $LEFTROW ]
then
PIECEROW=$(( $DIVROW + 1 ))
else
PIECEROW=$DIVROW
fi
case $i in
1)
head -n $PIECEROW $FILENAME > $FILENAME.$i
GETROW=$PIECEROW
;;
$PARALLEL)
tail -n $PIECEROW $FILENAME > $FILENAME.$i
;;
*)
GETROW=$(( $GETROW + $PIECEROW ))
head -n $GETROW $FILENAME |tail -n $PIECEROW >$FILENAME.$i
;;
esac
done
|
