问题描述
默认情况下,在命令提示符下复制将提示您覆盖已经在目标位置存在的文件。
By default, copying from the command prompt will prompt you to overwrite files that already exist in the target location.
您可以添加/ Y说是所有替换。
You can add "/Y" to say "Yes to all" replacements.
但是,你怎么能说全否?
But how can you say "No to all" ?
在换句话说,我希望一切都从一个目录,做拷贝的不可以已经存在于目标。
In other words, I want to copy everything from one directory that does not already exist in the target.
我看到的最接近的就是XCOPY参数仅在特定MOD-日期时间后,复制的东西。
The closest thing I see is the XCOPY argument to only copy things after a specific mod-datetime.
推荐答案
除非有这样一个场景,你的不的希望现有的文件中自上次复制,为什么改变了复制源没有指定具体的日期不能使用与/ D XCOPY?
Unless there's a scenario where you'd not want to copy existing files in the source that have changed since the last copy, why not use XCOPY with /D without specifying a date?
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