84 	package.cpath = main.fileoption ( 'lua_extra_include' ) .. '/?.so;' .. package.cpath

    84 	package.cpath = main.fileoption ( 'lua_extra_include' ) .. '/?.so;' .. package.cpath

    85 end

    85 end

    86 

    86 

    87 -- COMMON SUPPORT ROUTINES

    87 -- COMMON SUPPORT ROUTINES

    88 

    88 

    90 function shell_escape ( str )

    89 function shell_escape ( str )

    91 	if str then

    90 	if str then

    92 		return "'" .. str:gsub ( "'", "'\\''" ) .. "'"

    91 		return "'" .. str:gsub ( "'", "'\\''" ) .. "'"

    93 	else

    92 	else

    94 		return "''"

    93 		return "''"