I want to open a file and store its contents in an array.  When I read
the documentation for sysread, it seemed to be just what I wanted.
However, when I actually run my code, it returns only part of the file
successfully.  It seems the amount of the file returned successfully
varies with the file, but it is always vastly smaller than the file
itself, and it always starts at the beginning of the file.  For example,
with a file about 1 MB in size, the amount sysread returned successfully
was about 500 bytes.  Sorry if I missed something simple, as I am new to
Ruby.  Here is my code:

# This is intended to open a file and put its contents into the array
'content'.
aFile = File.new($filename, "r")
size = File.size?($filename)
content=[]
content=aFile.sysread(size)
aFile.close

# This is intended to show whether the array 'content' really has all
the contents of the file.
i = 0
while i < size
  puts content[i]
  i += 1
end

So, how do I get it to work?

Thank you very much!
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