Movatterモバイル変換


[0]ホーム

URL:


cppreference.com
Namespaces
Variants
    Actions

      std::filesystem::path::remove_filename

      From cppreference.com
      <cpp‎ |filesystem‎ |path
       
       
      Filesystem library
      Classes
      Functions
      File types
       
      std::filesystem::path
      Member types
      Member constants
      Member functions
      Path decomposition
      Non-member functions
      (until C++20)(until C++20)(until C++20)(until C++20)(until C++20)(C++20)
      Helper classes
       
      path& remove_filename();
      (since C++17)

      Removes a single generic-format filename component (as returned byfilename) from the given generic-format path.

      After this function completes,has_filename returnsfalse.

      Contents

      [edit]Parameters

      (none)

      [edit]Return value

      *this

      [edit]Exceptions

      May throw implementation-defined exceptions.

      [edit]Example

      Run this code
      #include <filesystem>#include <iostream>namespace fs= std::filesystem; int main(){    fs::path p;std::cout<<std::boolalpha<<(p="foo/bar").remove_filename()<<'\t'<< p.has_filename()<<'\n'<<(p="foo/").remove_filename()<<'\t'<< p.has_filename()<<'\n'<<(p="/foo").remove_filename()<<'\t'<< p.has_filename()<<'\n'<<(p="/").remove_filename()<<'\t'<< p.has_filename()<<'\n'<<(p="").remove_filename()<<'\t'<< p.has_filename()<<'\n';}

      Output:

      "foo/"  false"foo/"  false"/"     false"/"     false""      false

      [edit]See also

      returns the filename path component
      (public member function)[edit]
      replaces the last path component with another path
      (public member function)[edit]
      checks if the corresponding path element is not empty
      (public member function)
      Retrieved from "https://en.cppreference.com/mwiki/index.php?title=cpp/filesystem/path/remove_filename&oldid=158104"

      [8]ページ先頭

      ©2009-2026 Movatter.jp