End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
instance method
Tempfile#open
open
lib/tempfile.rb
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# File tmp/rubies/ruby-3.1.3/lib/tempfile.rb, line 150
def open
_close
mode = @mode & ~(File::CREAT|File::EXCL)
@tmpfile = File.open(@tmpfile.path, mode, **@opts)
__setobj__(@tmpfile)
end
Opens or reopens the file with mode “r+”.