windows - 批处理循环错误 - 仅复制 1 个文件

Question

我正在尝试运行一个 bat 文件:

1. 创建文件夹
2. 搜索所有扩展名为 .log 的文件
3. 将文件复制并重命名为 MyFile_customString.log 到另一个文件夹

到目前为止我是这样做的:

@echo off

set host_name=%1
set origin_path=%2
set destiny_path=%3
set destiny_host_path=%destiny_path%\%host_name%\
mkdir .\%destiny_host_path%

FOR %%G IN (%origin_path%/*.log) DO (
    SET _fileName=%%G
    SET _custom=%_fileName:.log=_%%host_name%.log%
    xcopy /Y /F %origin_path%\%_fileName% %destiny_host_path%\%_custom%
)

并且在 origin_path 中有 MyTest.log 和 MyTest2.log 文件，只有 MyTest2.log 文件被复制到 destiny_host_path

我错过了什么？

Answer 1

在 @echo 之后，您需要在批处理文件顶部设置 SetLocal EnableDelayedExpansion

在您的代码中:

FOR %%G IN (%origin_path%/*.log) DO (
    SET _fileName=%%G
    SET _custom=%_fileName:.log=_%%host_name%.log%
    xcopy /Y /F %origin_path%\%_fileName% %destiny_host_path%\%_custom%
)

应该是:

FOR %%G IN (%origin_path%/*.log) DO (
    SET "_fileName=%%G"
    FOR %%H in (!host_name!) Do (
        SET "_custom=!_fileName:.log=_%%H.log!"
    )
    xcopy /Y /F !origin_path!\!_fileName! !destiny_host_path!\!_custom!
)