请问一个SHELL

xingnan725

22>;&1

是什么意思，作用，请大哥详解

sql2000

标准的错误输出也输出到标准输出.

0 标准输入
1 标准输出
2 标准的错误输出

Shad

Hi,

To explain the \"2>;&1\", the best way is to use an example:

# ls /home/laoli/nosuchfile >; /tmp/output 2>;&1

The above command says: list the file /home/laoli/nosuchfile, save the output (standard output; in Unix the file descriptor is \"1\" to a file called /tmp/ouput; if there is any error in the process, save the error (standard error; in Unix the file descriptor is 2) to the standard output also. (In this case, since the standard output is already sent to /tmp/output, therefore the error will be sent to /tmp/output too).

Hope this helps.

sw_yp

原帖由 \"sql2000\" 发表：
标准的错误输出也输出到标准输出.

0 标准输入
1 标准输出
2 标准的错误输出

这位老兄说的对。。。

hpux

到精华区看我的那篇文章“关于2>;&1等重定向的详细解释”！