tests/dollar-star6.sub

   1 recho "A${*:-w}R"
   2 recho "A${*-w}R"
   3 recho "A${*}R"
   4
   5 set -- ""
   6
   7 recho "A${*:-w}R"
   8 recho "A${*-w}R"
   9 recho "A${*}R"
  10
  11 set -- $'\177'
  12
  13 recho "A${*:+w}R"
  14 recho "A${*+w}R"
  15 recho "A${*}R"
  16
  17 recho A${*:+w}R
  18 recho A${*+w}R
  19 recho A${*}R