题解 | #打印空行的行号#
打印空行的行号
http://www.nowcoder.com/practice/030fc368e42e44b8b1f8985a8d6ad255
NR=cat ./nowcoder.txt|wc -l
for ((a=1;a<=$NR;a++))
do
data=awk -n "NR==$a" ./nowcoder.txt
if [ ! $data ];then
echo $a
fi
done
打印空行的行号
http://www.nowcoder.com/practice/030fc368e42e44b8b1f8985a8d6ad255
NR=cat ./nowcoder.txt|wc -l
for ((a=1;a<=$NR;a++))
do
data=awk -n "NR==$a" ./nowcoder.txt
if [ ! $data ];then
echo $a
fi
done
相关推荐