(standard_in) 1: parse error

[hta1984]

#!/bin/bash
#sar.sh
i=1
while read myline
do
    if [ $i -eq 1 ]
    then
        echo "Report Date: $(cut -d" " -f4 ornek2-c.txt)" > output.txt
    elif [ $i -gt 3 ]
    then
        echo $myline > temp.txt
        proc=$(cut -d" " -f3 temp.txt)
        echo $proc > temp.txt
        cat temp.txt >> temp2.txt
    fi
    i=$(expr $i + 1)
done <ornek2-c.txt
 
index=$(expr $i - 4)
 
cat temp2.txt | awk '{ sum+=$1 } END {print sum}'
average=$(echo "scale=4; $sum/$index"|bc)
echo $average
exit 0
 

ornek2-c.txt: http://www.rafb.net/paste/results/xKMpYT30.html

the output after execution(./sar.sh):

144
42.91
(standard_in) 1: parse error

i created ornek2-c.txt file with "sar -c -f ornek2.sa > ornek2-c.txt" command.i'm trying to find the average value of the proc/s column in ornek2-c.txt.

Thanks in advance.

[hta1984]

cat temp2.txt | awk '{ sum+=$1 } END {print sum}'
average=$(echo "scale=4; $sum/$index"|bc)
 

sum=$( cat temp2.txt | awk '{ sum+=$1 } END {print sum}' )
average=$(echo "scale=4; $sum/$index" | bc)
 

editing two lines as above solved the problem.