Method: IO#echo=

Defined in:
console/console.c

#echo=(flag) ⇒ Object

Enables/disables echo back. On some platforms, all combinations of this flags and raw/cooked mode may not be valid.

You must require ‘io/console’ to use this method.



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# File 'console/console.c', line 666

static VALUE
console_set_echo(VALUE io, VALUE f)
{
    conmode t;
    int fd = GetReadFD(io);

    if (!getattr(fd, &t)) sys_fail(io);

    if (RTEST(f))
        set_echo(&t, NULL);
    else
        set_noecho(&t, NULL);

    if (!setattr(fd, &t)) sys_fail(io);

    return io;
}