SM-SCOPE(1) General Commands Manual SM-SCOPE(1) NNAAMMEE SSmm--ssccooppee - scope of the spacing macro DDEESSCCRRIIPPTTIIOONN Using an abbreviated example from the ksh(1) manual. Modifiers can be applied to the ${_n_a_m_e} form of parameter substitution: ${_n_a_m_e:-_w_o_r_d} If _n_a_m_e is set and not NULL, it is substituted; otherwise, _w_o_r_d is substituted. In the above modifiers, the `:' can be omitted, ... OpenBSD July 4, 2017 OpenBSD