shell 判断是否是目录

创建一个文件和一个文件夹

touch sss
mkdir d

test.sh

#!/bin/bash
echo "enter the name:"
read filename
if test -d $filename ; then
cd $filename
pwd
else
echo "it's not a directory!"
fi

执行

sudo chmod +x test.sh
./test.sh

输出

enter the name:
d
/home/xxx/Desktop/d

执行

./test.sh

输出

enter the name:
sss
it's not a directory!