-switch -exact -- $argv {
- {} { set mainkind test }
- {--automatic 1} { set mainkind automatic }
- {--automatic*} { error "incompatible versions - install problem" }
- default { error "huh $argv ?" }
+proc debug {m} { }
+
+set mainkind test
+foreach arg $argv {
+ switch -exact -- $arg {
+ {--debug} { proc debug {m} { puts stderr "SHOW-THING $m" } }
+ {--noop-arg} { }
+ {--automatic-1} { set mainkind automatic }
+ {--automatic*} { error "incompatible versions - install problem" }
+ default { error "huh $argv ?" }
+ }