Method: IO#getc

Defined in:

io.c

#getc ⇒ nil

Reads and returns the next 1-character string from the stream; returns nil if already at end-of-stream. See Character IO.

f = File.open('t.txt')
f.getc     # => "F"
f.close
f = File.open('t.rus')
f.getc.ord # => 1090
f.close

Related: IO#readchar (may raise EOFError).

Returns:

• (nil)

# File 'io.c', line 5015

static VALUE
rb_io_getc(VALUE io)
{
    rb_io_t *fptr;
    rb_encoding *enc;

    GetOpenFile(io, fptr);
    rb_io_check_char_readable(fptr);

    enc = io_input_encoding(fptr);
    READ_CHECK(fptr);
    return io_getc(fptr, enc);
}