scriptlib update showargs.tcl to only show args, hello.tcl to emit on stdout & stderr

scriptlib/hello.tcl

@@ -0,0 +1,3 @@
+puts stdout "hello on stdout"
+puts stderr "hello on stderr"
+

scriptlib/showargs.tcl

@@ -1,32 +1,7 @@
-puts -nonewline stdout "info script\r\n"
+#puts -nonewline stdout "info script\r\n"
-puts stdout "[info script]"
+#puts stdout "[info script]"
 puts stdout "::argc"
 puts stdout $::argc
 puts stdout "::argv"
 puts stdout "$::argv"
-puts stdout "NS"
-puts stdout "[namespace current]"
-
-if {[info exists ::test]} {
-    puts stdout "::test has existing value"
-    puts stdout "$::test"
-}
-
-puts stdout "setting ::test to showargs-ran"
-set ::test "showargs-ran"
-puts stdout "doing basic check of stdin for data"
-chan configure stdin -blocking 0
-set indata ""
-if {![chan eof stdin]} {
-    #set indata [read stdin]
-}
-if {[string length $indata]} {
-    puts stdout "read from stdin:"
-    puts stdout $indata
-} else {
-puts stdout "-no stdin data read-"
-}
-
-
-