feat: adds consume.nlines

src/forthlift/forthlift.py

@@ -69,6 +69,27 @@ class consume:
             sec.append( current )
             return sec
 
+    class nlines(Consume):
+        def __init__(self, nb = "10"):
+            self.nb = int(nb)
+
+        def __call__(self, stream):
+            sec = []
+            count = 0
+            current = ""
+            for item in stream.readlines():
+                if count >= self.nb:
+                    sec.append( current )
+                    current = ""
+                    count = 0
+                else:
+                    current += item
+                    count += 1
+            sec.append( current )
+            return sec
+
+
+
 class format:
     class Format:
         def __call__(self, items):