file(READ <filename> <out-var> [...])
file(STRINGS <filename> <out-var> [...])
file(<HASH> <filename> <out-var>)
file(TIMESTAMP <filename> <out-var> [...])
file(GET_RUNTIME_DEPENDENCIES [...])
file({WRITE | APPEND} <filename> <content>...)
file({TOUCH | TOUCH_NOCREATE} <file>...)
file(GENERATE OUTPUT <output-file> [...])
file(CONFIGURE OUTPUT <output-file> CONTENT <content> [...])
file({GLOB | GLOB_RECURSE} <out-var> [...] <globbing-expr>...)
file(MAKE_DIRECTORY <directories>...)
file({REMOVE | REMOVE_RECURSE } <files>...)
file(RENAME <oldname> <newname> [...])
file(COPY_FILE <oldname> <newname> [...])
file({COPY | INSTALL} <file>... DESTINATION <dir> [...])
file(SIZE <filename> <out-var>)
file(READ_SYMLINK <linkname> <out-var>)
file(CREATE_LINK <original> <linkname> [...])
file(CHMOD <files>... <directories>... PERMISSIONS <permissions>... [...])
file(CHMOD_RECURSE <files>... <directories>... PERMISSIONS <permissions>... [...])
file(REAL_PATH <path> <out-var> [BASE_DIRECTORY <dir>] [EXPAND_TILDE])
file(RELATIVE_PATH <out-var> <directory> <file>)
file({TO_CMAKE_PATH | TO_NATIVE_PATH} <path> <out-var>)
file(DOWNLOAD <url> [<file>] [...])
file(UPLOAD <file> <url> [...])
file(LOCK <path> [...])
file(ARCHIVE_CREATE OUTPUT <archive> PATHS <paths>... [...])
file(ARCHIVE_EXTRACT INPUT <archive> [...])
cmake file examples
timi-liuliang/echo
thirdparty/eigen-3.3.3/cmake/language_support.cmake
:31