(find) 找目錄下副檔名是txt的檔案

[UserC@localhost test]$ find . -name "*.txt" -print
./test2.txt
./test.txt
[UserC@localhost test]$ find . -type d -name "*.txt" -print
./test2.txt =>它是資料夾

[UserC@localhost test]$ find . -type f -name "*.txt" -print
./test.txt