End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
instance method
IO#echo?
io.echo? → true or false
ext/io/console/console.c
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static VALUE
console_echo_p(VALUE io)
{
conmode t;
rb_io_t *fptr;
int fd;
GetOpenFile(io, fptr);
fd = GetReadFD(fptr);
if (!getattr(fd, &t)) sys_fail_fptr(fptr);
return echo_p(&t) ? Qtrue : Qfalse;
}
Returns true if echo back is enabled.
You must require ‘io/console’ to use this method.