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class method
FileUtils.cmp
cmp(a, b)
lib/fileutils.rb
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# File tmp/rubies/ruby-3.2.0/lib/fileutils.rb, line 1525
def compare_file(a, b)
return false unless File.size(a) == File.size(b)
File.open(a, 'rb') {|fa|
File.open(b, 'rb') {|fb|
return compare_stream(fa, fb)
}
}
end
Alias of .compare_file
Returns true if the contents of files a and b are identical, false otherwise.
Arguments a and b should be interpretable as a path.
FileUtils.identical? and FileUtils.cmp are aliases for FileUtils.compare_file.
Related: FileUtils.compare_stream.