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The proper way to check if a file exists, if you already know the full path name to the file is simply:

True if the named file or directory exists. Behavior is well-defined only for explicit full paths (a leading ~/ is not expanded as a home directory and is ...

My initial solution was to check if the file don't exist, if so I create > a > > INSTALL command for it, the problem is that it runs at the ...

True if the named file or directory exists. Behavior is well-defined only for explicit full paths (a leading ~/ is not expanded as a home directory and is considered a relative path). Resolves symbolic links, i.e. if the named file or directory is a symbolic link, returns true if the target of the symbolic link exists.

Apr 10, 2018 · Theoretically, cmake can check for the existence of a file if (EXISTS "/dev/spidev0.0") according to the documentation this should be True if the named file or directory exists. Behavior is well-defined only for full paths., but I found that the said condition fails if the user has neither read not write rights on that file.

My initial solution was to check if the file don't exist, if so I create a > INSTALL command for it, the problem is that it runs at the ...

CMake check that a local file exists. by Micro Admin. In my CMake script I want to see if I have a file on my system, and if it is there do something with ...

10.04.2018 · 0 Theoretically, cmake can check for the existence of a file if (EXISTS "/dev/spidev0.0") according to the documentation this should be True if the named file or directory exists. Behavior is well-defined only for full paths., but I found that the said condition fails if the user has neither read not write rights on that file.

14.07.2021 · but that test is only evaluated one; when cmake is first run. I need it to perform the test every time a make is done. What’s the method to check at make-time?

check_symbol_exists ¶ check_symbol_exists (<symbol> <files> <variable>) Check that the <symbol> is available after including given header <files> and store the result in a <variable>. Specify the list of files in one argument as a semicolon-separated list. <variable> will be created as an internal cache variable.

You may check that fact if you rerun cmake the file is copied again. ... Or just use "install(FILES" -- it already does the "if not exists, if newer

25.10.2012 · The file exists, but it just cannot be read. The workaround for this scenario, if you are really worried about whether the file really exists or not, is to call execute_process (COMMAND ls /dev/fb0 RESULT_VARIABLE result OUTPUT_QUIET ERROR_QUIET) , and then check the result as follows: if (result) message ("/dev/fb0 doesn't exist.") endif()

检查CMake中是否存在文件的正确方法是什么？ file cmake file-exists — 费伦茨·迪克（Ferenc Deak） source Answers: 155 如果您已经知道文件的完整路径名，那么检查文件是否存在的正确方法就是： if (EXISTS "$ {ROOT}/configuration/$ {customer}/configuration.$ {project_name}.xml") ... else () ... endif () — DLR戴夫 source 2 文档在这里 — Teivaz 6 不幸的是， EXISTS 它并没有声 …

Oct 25, 2012 · The file exists, but it just cannot be read. The workaround for this scenario, if you are really worried about whether the file really exists or not, is to call execute_process (COMMAND ls /dev/fb0 RESULT_VARIABLE result OUTPUT_QUIET ERROR_QUIET) , and then check the result as follows: if (result) message ("/dev/fb0 doesn't exist.") endif()

Write <content> into a file called <filename> . If the file does not exist, it will be created. If the file already exists, WRITE mode will overwrite it and ...

From the CMake documentation, the file EXISTS check is only well-defined for full paths: if (EXISTS path-to-file-or-directory) True if the named file or directory exists. Behavior is well-defined only for full paths.

From the CMake documentation, the file EXISTS check is only well-defined for full paths: if (EXISTS path-to-file-or-directory) True if the named file or directory exists. Behavior is well-defined only for full paths.

cmake test path exists (2). In my CMake script I want to see if I have a file on my system, and if it is there do something with it, otherwise do something ...

True if the named file or directory exists. Behavior is well-defined only for explicit full paths (a leading ~/ is not expanded as a home directory and is considered a relative path). Resolves symbolic links, i.e. if the named file or directory is a symbolic link, returns true if the target of the symbolic link exists.

From the man page: IF(EXISTS file-name) IF(EXISTS directory-name) True if the named file or directory exists. Behavior is well-defined only for full paths. pepone.onrez wrote: > There is any way for check if a directory exists using CMake ?

Or just use "install(FILES" -- it already does the "if not exists, ... of checking for the file's existence at "CMake configure" time, ...