输入一个文件路径判断是否存在，并统计文件的行数（不用wc命令统计）

vim statistic.sh

#!/bin/bash
read -p "please assign a file:" MYFILE
if [ -e $MYFILE -a -f $MYFILE ];then
let C=0
while read LINE; do
  let C++
done < $MYFILE
echo "There are $C lines in $MYFILE"
else
exit 5
fi

转载于:https://blog.51cto.com/fighter/463090