# Standard library header <experimental/filesystem>

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This header is part of the filesystem library.

Defined in inline namespace `std::experimental::filesystem::v1`

### Classes

path | represents a path (class)
filesystem_error | an exception thrown on file system errors (class)
directory_entry | a directory entry (class)
directory_iterator | an iterator to the contents of the directory (class)
recursive_directory_iterator | an iterator to the contents of a directory and its subdirectories (class)
file_status | represents file type and permissions (class)
space_info | information about free and available space on the filesystem (class)
file_type | the type of a file (enum)
perms | identifies file system permissions (enum)
copy_options | specifies semantics of copy operations (enum)
directory_options | options for iterating directory contents (enum)
file_time_type | represents file time values (typedef)

### Functions

swap(std::experimental::filesystem::path) | swaps two paths (function)
Template:cpp/experimental/fs/path/dsc hash value
operator==operator!=operator<operator<=operator>operator>= | lexicographically compares two paths (function)
operator/ | concatenates two paths with a directory separator (function)
operator<<operator>> | performs stream input and output on a path (function)
u8path | creates a `path` from a UTF-8 encoded source (function)
filesystem::begin(filesystem::directory_iterator)filesystem::end(filesystem::directory_iterator) | range-based for loop support (function)
filesystem::begin(filesystem::recursive_directory_iterator)filesystem::end(filesystem::recursive_directory_iterator) | range-based for loop support (function)
absolute system_complete | composes an absolute path converts a path to an absolute path replicating OS-specific behavior (function)
canonical | composes a canonical path (function)
copy | copies files or directories (function)
copy_file | copies file contents (function)
copy_symlink | copies a symbolic link (function)
create_directory create_directories | creates new directory (function)
create_hard_link | creates a hard link (function)
create_symlink create_directory_symlink | creates a symbolic link (function)
current_path | return current working directory (function)
exists | checks whether path refers to existing file system object (function)
equivalent | checks whether two paths refer to the same file system object (function)
file_size | returns the size of a file (function)
hard_link_count | returns the number of hard links referring to the specific file (function)
last_write_time | gets or sets the time of the last data modification (function)
permissions | modifies file access permissions (function)
read_symlink | obtains the target of a symbolic link (function)
remove remove_all | removes a file or empty directory removes a file or directory and all its contents, recursively (function)
rename | moves or renames a file or directory (function)
resize_file | changes the size of a regular file by truncation or zero-fill (function)
space | determines available free space on the file system (function)
status symlink_status | determines file attributes determines file attributes, checking the symlink target (function)
temp_directory_path | returns a directory suitable for temporary files (function)

##### File types

is_block_file | checks whether the given path refers to block device (function)
is_character_file | checks whether the given path refers to a character device (function)
is_directory | checks whether the given path refers to a directory (function)
is_empty | checks whether the given path refers to an empty file or directory (function)
is_fifo | checks whether the given path refers to a named pipe (function)
is_other | checks whether the argument refers to an other file (function)
is_regular_file | checks whether the argument refers to a regular file (function)
is_socket | checks whether the argument refers to a named IPC socket (function)
is_symlink | checks whether the argument refers to a symbolic link (function)
status_known | checks whether file status is known (function)

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