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puts "Initial value"
p $;
$x = "a"
$; = "b"
alias $old_slash $;
alias $; $x
p $;
puts "---"
p '123a456b789'.split # [123a456,789] -> ignores alias
puts "","---"
p $;.object_id == $;.object_id
alias $; $old_slash # restore $;
puts '-' * 20
$; = nil
p '123a456b789'.split # [123a456b789]
$; = 5
p '123a456b789'.split rescue p $! # `split': wrong argument type Fixnum (expected Regexp)
class S
def to_s; "a"; end
def to_str; "b"; end
end
$; = S.new
p '123a456b789'.split rescue p $! # ["123a456", "789"]
puts 'Done'
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