[plt-scheme] Reading a comma?

I need to read an input file that has commas in it at the end of each 
line. Of course (read ...) where the ... is a comma evaluates to ignore 
this as it is a comment.  

I am using DrScheme 202.

An example of the file content to be read is as follows:

SELECT * FROM  datgenoutc8a2d8i4 WHERE  I_Atttribute1 = "a" AND  target = 
"c3"; 
SELECT * FROM  datgenoutc8a2d8i4 WHERE  I_Atttribute1 = "b" AND  target = 
"c7"; 
SELECT * FROM  datgenoutc8a2d8i4 WHERE  I_Atttribute1 = "c" AND  target = 
"c2"; 
SELECT * FROM  datgenoutc8a2d8i4 WHERE  I_Atttribute1 = "d" AND  target = 
"c4"; 
SELECT * FROM  datgenoutc8a2d8i4 WHERE  I_Atttribute1 = "e" AND  target = 
"c5"; 


Can anyone help me.  

Thanks in advance

Jeanette