题解 | #打印每一行出现的数字个数#
打印每一行出现的数字个数
https://www.nowcoder.com/practice/2d2a124f98054292aef71b453e705ca9
#!/bin/bash
total=0
line_number=1
while read -r line; do
count=$(echo "$line" | grep -o '[1-5]' | grep -c .)
echo "line$line_number number: $count"
total=$((total + count))
((line_number++))
done < nowcoder.txt
echo "sum is $total"
