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如何遍历eiffel中的目录？

发布于 2024-09-13 02:58:15 字数 41 浏览 3 评论 0原文

简单

如何使用 eiffel 获取目录内文件的列表？

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沫雨熙 2024-09-20 02:58:15

例如：


class CARPETAS

creation
    make

feature {NONE}

    make is
      local
          directory: DIRECTORY
          path: STRING
      do
          path := "." -- Current directory
          !!directory.scan_with(path)
          list_directory(directory)
      end

    list_directory(directory: DIRECTORY) is
      local
          i: INTEGER
      do
          std_output.put_string("Content of " + directory.path + "%N")
          from
              i := directory.lower
          until
              i > directory.upper
          loop
              std_output.put_string("%T" + directory.name(i) + "%N")
              i := i + 1
          end
      end
end

For example:


class CARPETAS

creation
    make

feature {NONE}

    make is
      local
          directory: DIRECTORY
          path: STRING
      do
          path := "." -- Current directory
          !!directory.scan_with(path)
          list_directory(directory)
      end

    list_directory(directory: DIRECTORY) is
      local
          i: INTEGER
      do
          std_output.put_string("Content of " + directory.path + "%N")
          from
              i := directory.lower
          until
              i > directory.upper
          loop
              std_output.put_string("%T" + directory.name(i) + "%N")
              i := i + 1
          end
      end
end

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苏佲洛 2024-09-20 02:58:15

对于最新版本的 Eiffel，我建议使用 DIRECTORY.entries

local
    p: PATH 
do
    across dir.entries as ic loop
        p := ic.item.path
            -- then use interface of PATH, such as PATH.name 
    end
end

请注意，base_extension 库还提供 DIRECTORY_VISITOR ，这有助于在目录上递归迭代

with recent version of Eiffel, I would recommend to use DIRECTORY.entries

local
    p: PATH 
do
    across dir.entries as ic loop
        p := ic.item.path
            -- then use interface of PATH, such as PATH.name 
    end
end

note that the base_extension library also provides DIRECTORY_VISITOR , which is helpful to iterate recursively on directories

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