1*993b1e41SJilles Tjoelker 2*993b1e41SJilles Tjoelkerunset somestrangevar 3*993b1e41SJilles Tjoelkerexport somestrangevar 4*993b1e41SJilles Tjoelker[ "`$SH -c 'echo ${somestrangevar-unset}'`" = unset ] 5