31 Input/output library [input.output]

31.12 File systems [filesystems]

31.12.8 Enumerations [fs.enum]

31.12.8.3 Enum class copy_options [fs.enum.copy.opts]

Table 132: Enum class copy_options [tab:fs.enum.copy.opts]
Option group controlling copy_file function effects for existing target files
Constant
Meaning
none
(Default) Error; file already exists.
skip_existing
Do not overwrite existing file, do not report an error.
overwrite_existing
Overwrite the existing file.
update_existing
Overwrite the existing file if it is older than the replacement file.
Option group controlling copy function effects for sub-directories
Constant
Meaning
none
(Default) Do not copy sub-directories.
recursive
Recursively copy sub-directories and their contents.
Option group controlling copy function effects for symbolic links
Constant
Meaning
none
(Default) Follow symbolic links.
copy_symlinks
Copy symbolic links as symbolic links rather than copying the files that they point to.
skip_symlinks
Ignore symbolic links.
Option group controlling copy function effects for choosing the form of copying
Constant
Meaning
none
(Default) Copy content.
directories_only
Copy directory structure only, do not copy non-directory files.
create_symlinks
Make symbolic links instead of copies of files.
The source path shall be an absolute path unless the destination path is in the current directory.
create_hard_links
Make hard links instead of copies of files.