Program
echo "enter a file name"
read fname
lc=0
if test -f $fname
then
while read line
do
lc=$((lc+1))
even=$((lc%2))
if test $even -ne 0
then
echo $line>>newfile.txt
fi
done < $fname
rm $fname
mv newfile.txt $fname
else
echo "$fname file not exist"
fi
OUTPUT
csc@csc-SVE1513CYNB ~ $ cp avg ttavg
csc@csc-SVE1513CYNB ~ $ bash avg
enter a file name
ttavg
echo "enter a file name"
lc=0
then
do
even=$((lc%2))
then
fi
rm $fname
cat $fname
echo "$fname file not exist"
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