std::filesystem::directory_entry::exists

Since C++17

Checks whether the pointed-to object exists. Effectively returns:

# Declarations

bool exists() const;

(since C++17)

bool exists( std::error_code& ec ) const noexcept;

(since C++17)

# Parameters

ec: out-parameter for error reporting in the non-throwing overload

# Return value

true if the referred-to filesystem object exists.

# Example

#include <filesystem>
#include <iostream>
 
int main()
{
    for (auto const str:
    {
        "/usr/bin/cat",
        "/usr/bin/mouse",
        "/usr/bin/python",
        "/usr/bin/bison",
        "/usr/bin/yacc",
        "/usr/bin/c++",
    })
    {
        std::filesystem::directory_entry entry{str};
 
        std::cout << "directory entry " << entry
                  << (entry.exists() ? " exists\n" : " does not exist\n");
    }
}

# See also

exists