與輸出 shell 一起執行的重定向指令

Question

我想將執行的命令與輸出一起重定向到檔案。

例如：#ls >ls_out.txt

ls_out.txt 應該是這樣的：

---

LS

文件1 過濾2

---

謝謝！

Answer 1

您可以使用“script”命令：如下所示：

localhost:test_sf user1$ ls
file1   file2   file3
localhost:test_sf user1$ script ls_out.txt  #starting script command ls_out.txt will contain output
Script started, output file is ls_out.txt
bash-3.2$ ls 
file1       file2       file3       ls_out.txt
bash-3.2$ exit
exit

Script done, output file is ls_out.txt
===================================================================================
localhost:test_sf user1$ cat ls_out.txt  #verify the contents now.
Script started on Wed Dec 18 12:05:23 2013
bash-3.2$ ls 
file1       file2       file3       ls_out.txt
bash-3.2$ exit
exit

你只需要去掉「bash-3.2$ exit exit」部分。

Answer 2

我使用一個函數來處理這種事情：

echocmd() {
    echo "$@"
    "$@"
}

然後

$ echocmd ls -ltr > ls_out.txt