findstr 退出代码/错误级别

Posted 2023-02-22

【中文标题】findstr 退出代码/错误级别

【英文标题】：findstr exit codes/errorlevel

【发布时间】：2015-08-04 13:41:19

【问题描述】：

我有一个使用findstr 的程序，当找到字符串时errorlevel 返回0，当找不到字符串时errorlevel 返回1。好吧，没关系，我能应付。

问题出在我找不到任何官方文档说明每个errorlevel 对findstr 的含义。我需要知道findstr 的其他任何东西是否可以返回1 的errorlevel，或者它是否只在找不到字符串时返回1。

“官方”文档的链接是首选，如果有的话，但任何输入将不胜感激。

提前致谢！

【参考方案1】：

http://ss64.com/nt/findstr.html 说：

FINDSTR will set %ERRORLEVEL% as follows:

0 (False) a match is found in at least one line of at least one file.
1 (True) if a match is not found in any line of any file, (or if the file is not found at all).
2 Wrong syntax 
An invalid switch will only print an error message in error stream.

【参考方案2】：

在 FIND 命令的 Dos 6.22 帮助中有记录。

│FIND exit codes
│
│The following list shows each exit code and a brief description of its
│meaning:
│
│0
│    The search was completed successfully and at least one match was found.
│
│1
│    The search was completed successfully, but no matches were found.
│
│2
│    The search was not completed successfully. In this case, an error
│    occurred during the search, and FIND cannot report whether any matches
│    were found.
│
│You can use the ERRORLEVEL parameter on the <If> command line in a batch
│program to process exit codes returned by FIND.

【讨论】：

这是否也适用于`findstr'？

是的。我搜索了 12 年的最新参考资料。我有 Dos 6.22 和 OS/2 Warp 4（它说 它返回 0 表示正常完成）。