V2EX realpath

REALPATH

定义 Definition

realpath(常见于类 Unix 系统与编程语境)指“将路径规范化并解析为真实的绝对路径”:把相对路径转换为绝对路径,消除 ...,并解析符号链接(symlink),得到文件系统中实际指向的位置。(在 C / POSIX 中也指同名函数 realpath()。)

发音 Pronunciation (IPA)

/rilpθ/

例句 Examples

Please run realpath on the file to see its absolute location.
请对这个文件运行 realpath,以查看它的绝对位置。

In the deployment script, we use realpath to resolve symlinks and normalize paths before copying configuration files.
在部署脚本中,我们使用 realpath 来解析符号链接并规范化路径,然后再复制配置文件。

词源 Etymology

realpath 是由 real(真实的)+ path(路径)组合而成的计算机术语,强调返回的不是“表面上写出来的路径”,而是经过解析后在文件系统中真实指向的路径。它在 Unix/Linux 工具与 POSIX/C 标准库中以命令或函数名形式广泛出现。

相关词 Relatd Words

文学与著作中的用例 Literary / Notable Works

  • Linux Programmer’s Manualrealpath(1) / realpath(3) 手册页,介绍命令/函数用法与行为)
  • The Linux Programming Interface(Michael Kerrisk,讨论路径解析、符号链接与相关系统接口时涉及 realpath
  • Advanced Programming in the UNIX Environment(W. Richard Stevens & Stephen A. Rago,涉及文件系统路径与相关 API 的章节中常提及/对比 realpath 等接口)
  • UNIX Network Programming(W. Richard Stevens 等,在示例与工具链中常出现对路径规范化需求的讨论,相关场景可能使用 realpath
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