Method: Kernel#global_variables

Defined in:
eval.c

#global_variables ⇒ Array

Returns an array of the names of global variables. This includes special regexp global variables such as $~ and $+, but does not include the numbered regexp global variables ($1, $2, etc.).

global_variables.grep /std/   #=> [:$stdin, :$stdout, :$stderr]

Returns:



2055
2056
2057
2058
2059
 
# File 'eval.c', line 2055

static VALUE
f_global_variables(VALUE _)
{
    return rb_f_global_variables();
}