DeleteFile["file"]
删除一个文件.
DeleteFile[{"file1","file2",…}]
删除列表中的文件.
DeleteFile
DeleteFile["file"]
删除一个文件.
DeleteFile[{"file1","file2",…}]
删除列表中的文件.
更多信息
- 如果 DeleteFile 成功地删除文件,则返回 Null,否则返回 $Failed.
- File["path"] 可用于指定文件名称.
- DeleteFile[CloudObject[…]] 删除与文件对应的云对象.
范例
打开所有单元 关闭所有单元基本范例 (1)
src = $InstallationDirectory <> "/Documentation/English/System/ExampleData/coneflower.jpg";
dst = FileNameJoin[{$TemporaryDirectory, "coneflower.jpg"}];
CopyFile[src, dst]FileNames[dst]DeleteFile[dst]FileNames[dst]范围 (3)
拷贝指定为 File 对象的文件:
file = $InstallationDirectory <> "/Documentation/English/System/ExampleData/coneflower.jpg";
cfile = FileNameJoin[{$TemporaryDirectory, "coneflower.jpg"}];CopyFile[File[file], File[cfile]]删除以 File 对象形式指定的文件:
DeleteFile[File[cfile]]Table[CreateFile[], {3}]DeleteFile[%]obj = CloudPut[10!]确认对象的文件类型是 File:
FileType[obj]DeleteFile[obj]属性和关系 (2)
Put[0, LocalObject["zero"]]DeleteObject[LocalObject["zero"]]PersistentSymbol["one", "KernelSession"] = 1;DeleteObject[PersistentObject["one", "KernelSession"]]或对持久性符号使用 Remove:
PersistentSymbol["one", "KernelSession"] = 1;Remove[PersistentSymbol["one", "KernelSession"]]历史
1991年引入 (2.0) | 在以下年份被更新:2016 (11.0)
文本
Wolfram Research (1991),DeleteFile,Wolfram 语言函数,https://reference.wolfram.com/language/ref/DeleteFile.html (更新于 2016 年).
CMS
Wolfram 语言. 1991. "DeleteFile." Wolfram 语言与系统参考资料中心. Wolfram Research. 最新版本 2016. https://reference.wolfram.com/language/ref/DeleteFile.html.
APA
Wolfram 语言. (1991). DeleteFile. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/ref/DeleteFile.html 年
BibTeX
@misc{reference.wolfram_2026_deletefile, author="Wolfram Research", title="{DeleteFile}", year="2016", howpublished="\url{https://reference.wolfram.com/language/ref/DeleteFile.html}", note=[Accessed: 04-September-2026]}
BibLaTeX
@online{reference.wolfram_2026_deletefile, organization={Wolfram Research}, title={DeleteFile}, year={2016}, url={https://reference.wolfram.com/language/ref/DeleteFile.html}, note=[Accessed: 04-September-2026]}