FileTest implements file test operations similar to those used in File::Stat. It exists as a standalone module, and its methods are also insinuated into the File class. (Note that this is not done by inclusion: the interpreter cheats).
FileTest
File::Stat
File
File.size(file_name) â integer Instance Public methods Returns the size of
File.file?(file_name) â true or false Instance Public methods Returns true
File.executable?(file_name) â true or false Instance Public methods Returns
File.executable_real?(file_name) â true or false Instance Public methods Returns
File.setuid?(file_name) â true or false Instance Public methods Returns
File.zero?(file_name) â true or false Instance Public methods Returns true
File.pipe?(file_name) â true or false Instance Public methods Returns true
File.sticky?(file_name) â true or false Instance Public methods Returns
File.grpowned?(file_name) â true or false Instance Public methods Returns
File.symlink?(file_name) â true or false Instance Public methods Returns
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