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diff --git a/noao/twodspec/multispec/clinput.x b/noao/twodspec/multispec/clinput.x
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+# Specialized CL get routines.
+
+
+# CLGRANGES -- Get a range.  A range string is input and the string is
+# decoded into a range array.  The number of values in the range array is
+# returned by the function.
+
+int procedure clgranges (param, min_value, max_value, ranges, max_ranges)
+
+char	param[ARB]
+int	min_value
+int	max_value
+int	ranges[ARB]
+int	max_ranges
+
+char	str[SZ_LINE]
+int	n
+
+int	decode_ranges()
+
+begin
+	call clgstr (param, str, SZ_LINE)
+
+	if (decode_ranges (str,ranges,max_ranges,min_value,max_value,n) == ERR)
+	    call error (0, "Error in range string")
+
+	return (n)
+end