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- get_filename_component
- ----------------------
- Get a specific component of a full filename.
- ------------------------------------------------------------------------------
- ::
- get_filename_component(<VAR> <FileName> <COMP> [CACHE])
- Set ``<VAR>`` to a component of ``<FileName>``, where ``<COMP>`` 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 without directory or longest extension
- PATH = Legacy alias for DIRECTORY (use for CMake <= 2.8.11)
- Paths are returned with forward slashes and have no trailing slashes.
- The longest file extension is always considered. If the optional
- ``CACHE`` argument is specified, the result variable is added to the
- cache.
- ------------------------------------------------------------------------------
- ::
- get_filename_component(<VAR> <FileName>
- <COMP> [BASE_DIR <BASE_DIR>]
- [CACHE])
- Set ``<VAR>`` to the absolute path of ``<FileName>``, where ``<COMP>`` is one
- of:
- ::
- ABSOLUTE = Full path to file
- REALPATH = Full path to existing file with symlinks resolved
- If the provided ``<FileName>`` is a relative path, it is evaluated relative
- to the given base directory ``<BASE_DIR>``. 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 slahes. If the
- optional ``CACHE`` argument is specified, the result variable is added to the
- cache.
- ------------------------------------------------------------------------------
- ::
- get_filename_component(<VAR> <FileName>
- PROGRAM [PROGRAM_ARGS <ARG_VAR>]
- [CACHE])
- The program in ``<FileName>`` 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 ``<FileName>`` string are split
- from the program name and stored in ``<ARG_VAR>``. This is used to
- separate a program name from its arguments in a command line string.
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