make sure spaces are replaced in output

reporting/markslider.py

@@ -51,13 +51,16 @@ class bc:
     Z = '\033[0m'
     CLR = '\033[2J'
     CLREND = '\033[K'
+    CLRBEG = '\033[1K'
     
     color_keys="KRGBYMCWkrgbymcwSUZ"
     color_list=[K,R,G,B,Y,M,C,W,k,r,g,b,y,m,c,w,S,U,Z]
         
     def pos(self,y,x):
         return "\033["+str(y)+";"+str(x)+"H"
-
+    def column(self,x):
+        return "\033["+str(x)+"G"
+    
     def posprint(self, y,x,s):
         sys.stdout.write( self.pos(y,x) + str(s) )
 
@@ -65,7 +68,27 @@ class bc:
         sys.stdout.write( self.CLR+self.pos(0,0) )
     def clear_to_end(self):
         sys.stdout.write( self.CLREND )
+    def clear_to_beginning(self):
+        sys.stdout.write( self.CLRBEG )
+    
+    def up(self,n=1):
+        sys.stdout.write( "\033["+str(n)+"A" )
+    def down(self,n=1):
+        sys.stdout.write( "\033["+str(n)+"B" )
+    def right(self,n=1):
+        sys.stdout.write( "\033["+str(n)+"C" )
+    def left(self,n=1):
+        sys.stdout.write( "\033["+str(n)+"D" )
+    def up_line(self,n=1):
+        sys.stdout.write( "\033["+str(n)+"F" )
+    def down_line(self,n=1):
+        sys.stdout.write( "\033["+str(n)+"E" )
 
+    def save(self):
+        sys.stdout.write( "\033[s" )
+    def restore(self):
+        sys.stdout.write( "\033[u" )
+        
     def color_string(self,s):
         for i,c in enumerate(self.color_keys):
             s=s.replace("${"+c+"}",self.color_list[i])
@@ -535,8 +558,9 @@ def launch(reader,opts,offset):
             if len(output)==1: return [""]
             del output[-1]
         for y,l in enumerate(output):
-            bc.posprint(y+offset[1]-offset[0]+2,0,l)
+            bc.posprint(y+offset[1]-offset[0]+2,0,' '*len(l))
             bc.clear_to_end()
+            bc.posprint(y+offset[1]-offset[0]+2,0,l)
         inkey=getch.get()
         return
     if run_command != None: