method

binmode

ruby latest stable - Class: IO

binmode()

public

Puts ios into binary mode. Once a stream is in binary mode, it cannot be reset to nonbinary mode.

newline conversion disabled
encoding conversion disabled
content is treated as ASCII-8BIT

static VALUE
rb_io_binmode_m(VALUE io)
{
    VALUE write_io;

    rb_io_ascii8bit_binmode(io);

    write_io = GetWriteIO(io);
    if (write_io != io)
        rb_io_ascii8bit_binmode(write_io);
    return io;
}

binmode

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