Dollar Sign
The $
symbol is used to reference ($stdout
) and define ($name
) global variables.
Ruby's docs has a list of pre-defined global variables ↗.
See the Ruby docs on global variables ↗.
The $
symbol is used to reference ($stdout
) and define ($name
) global variables.
Ruby's docs has a list of pre-defined global variables ↗.
See the Ruby docs on global variables ↗.