get_filename_component ---------------------- Get a specific component of a full filename. .. versionchanged:: 3.20 This command has been superseded by :command:`cmake_path` command, except ``REALPATH`` now offered by :ref:`file(REAL_PATH)` command and ``PROGRAM`` now available in :command:`separate_arguments(PROGRAM)` command. .. versionchanged:: 3.24 The undocumented feature offering the capability to query the ``Windows`` registry is superseded by :ref:`cmake_host_system_information(QUERY WINDOWS_REGISTRY)` command. .. code-block:: cmake get_filename_component([CACHE]) Sets ```` to a component of ````, where ```` is one of: :: DIRECTORY = Directory without file name NAME = File name without directory EXT = File name longest extension (.b.c from d/a.b.c) NAME_WE = File name with neither the directory nor the longest extension LAST_EXT = File name last extension (.c from d/a.b.c) NAME_WLE = File name with neither the directory nor the last extension PATH = Legacy alias for DIRECTORY (use for CMake <= 2.8.11) .. versionadded:: 3.14 Added the ``LAST_EXT`` and ``NAME_WLE`` modes. Paths are returned with forward slashes and have no trailing slashes. If the optional ``CACHE`` argument is specified, the result variable is added to the cache. .. code-block:: cmake get_filename_component( [BASE_DIR ] [CACHE]) .. versionadded:: 3.4 Sets ```` to the absolute path of ````, where ```` is one of: :: ABSOLUTE = Full path to file REALPATH = Full path to existing file with symlinks resolved If the provided ```` is a relative path, it is evaluated relative to the given base directory ````. If no base directory is provided, the default base directory will be :variable:`CMAKE_CURRENT_SOURCE_DIR`. Paths are returned with forward slashes and have no trailing slashes. If the optional ``CACHE`` argument is specified, the result variable is added to the cache. .. code-block:: cmake get_filename_component( PROGRAM [PROGRAM_ARGS ] [CACHE]) The program in ```` will be found in the system search path or left as a full path. If ``PROGRAM_ARGS`` is present with ``PROGRAM``, then any command-line arguments present in the ```` string are split from the program name and stored in ````. This is used to separate a program name from its arguments in a command line string. See Also ^^^^^^^^ * :command:`cmake_path`