1SM-SCOPE(1) General Commands Manual SM-SCOPE(1) 2 3NNAAMMEE 4 SSmm--ssccooppee - scope of the spacing macro 5 6DDEESSCCRRIIPPTTIIOONN 7 Using an abbreviated example from the ksh(1) manual. 8 9 Modifiers can be applied to the ${_n_a_m_e} form of parameter substitution: 10 11 ${_n_a_m_e:-_w_o_r_d} 12 If _n_a_m_e is set and not NULL, it is substituted; otherwise, _w_o_r_d 13 is substituted. 14 15 In the above modifiers, the `:' can be omitted, ... 16 17OpenBSD July 4, 2017 OpenBSD 18