instance method

Kernel#global_variables

() -> ::Array[::Symbol]

global_variables → array

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

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.).

Example

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

See also #gets #gsub #gem #Hash also in 4.1 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0

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