YajinMo_Homework_2020/10/06
Task
写出一个 bash 脚本，可以使它自动读取一个文件夹（例如bash_homework/）的内容，将该文件夹下文件的名字输出到 filenames.txt, 子文件夹的名字输出到 dirname.txt
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$ ls
bash_homework YajinMo_20201007_Homework4.sh
$ cat YajinMo_20201007_Homework4.sh
#!/bin/bash
# retrive all file names and directer names in specified path
# input specified path
echo -n "input your specified path:"
read path
files=$(ls -al "$path" | grep "^-" | awk '{print $9}')
for mo in $files
do
echo $mo >> ./filename.txt
done
dirs=$(ls -al "$path" | grep "^d" | awk '{print $9}')
for mo in $dirs
do
echo $mo >> ./dirname.txt
done
$ sh YajinMo_20201007_Homework4.sh
input your specified path:./bash_homework
$ ls
bash_homework dirname.txt YajinMo_20201007_Homework4.sh filename.txt
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