Data commit

Task/Empty-string/Nyquist/empty-string-1.nyquist

@@ -0,0 +1,13 @@
+(setf emptystring "") ;binds variable'emptystring' to the empty string ""
+
+(let ((emptystring "")) ;; Binds local variable 'emptystring' to the empty string ""
+  (when (string-equal emptystring "")  ;;case insensitive string comparison
+    (print "Is an empty string"))  ;;bad argument error if not a string
+  (when (stringp emptystring)
+    (print "Is a string"))
+  (when (not (stringp emptystring))
+    (print "Is not a string"))
+  (when (and (stringp emptystring)(= (length emptystring) 0))
+    (print "Is an empty string"))
+  (when (and (stringp emptystring)(> (length emptystring) 0))
+    (print "Is a non-empty string")))

Task/Empty-string/Nyquist/empty-string-2.nyquist

@@ -0,0 +1,6 @@
+define variable emptystring = ""  ;binds variable'emptystring' to the empty string ""
+
+if emptystring = "" then
+  print "is empty string"
+else
+  print "is not empty string"

Task/Empty-string/Nyquist/empty-string-3.nyquist

@@ -0,0 +1,10 @@
+;nyquist plug-in
+;version 4
+;type tool
+;name "Empty string"
+
+(setq emptystring "") ;; Define global variable
+
+(if (string= emptystring "")  ;;case sensitive string comparison
+    "The string is empty."
+    "The string is not empty.")

Task/Empty-string/Nyquist/empty-string-4.nyquist

@@ -0,0 +1,12 @@
+;nyquist plug-in
+;version 4
+;codetype sal
+;type tool
+;name "Empty string"
+
+define variable emptystring = "a" ;; Define global variable
+
+;; The ternary operator is #?
+return #?(emptystring = "",
+                        "The string is empty.",
+                        "The string is not empty.")