#if @delim = tab
    #set DELIM = "	"
#elseif @delim = comma
    #set DELIM = ","
#else
    #set DELIM = " "
#endif

filter:
   ##set VAL = $ref(@y)
 #if @id != ""
   ##set ID = $ref(@id)
 #else
   ##set ID = =
 #endif
   ##set GRP = $numgroup( @@VAL, @binsize, mid )
   ##print @@GRP@DELIM@@VAL@DELIM@@ID

/////////////////
#set y = 1
#if @id != ""
  #set id = 3
#endif
