Nix path builtins

  • isPath e - true if e is a path, otherwise false
  • path args - Nix path functionᛦ
  • pathExists path - true if path exists at evaluation time, otherwise false
  • placeholder output - return a placeholder string for output that will be substituted with the actual output path at build time
  • readDir path - return the contents of the directory at path as a set with file names as keys and Nix file typesᛦ as values
  • readFile path - contents of path as a string
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