I used data step to import with the following option, this resolved the issue with unwanted quotes I got for the last column. Hope this helps. Thanks.
TERMSTR= option—Specifies what end-of-line character to use for a file. This option is specific to ASCII operating systems and is documented in the SAS 9.2 companion for your operating system. This option is useful when you want to share data files that are created on one operating system with another operating system. For example, if you are working in a UNIX environment and you need to read a file that was created under Windows, use TERMSTR=CRLF. Similarly, if you are in a Windows environment and you need to read a file that was created under UNIX, use TERMSTR=LF. The following INFILE statement illustrates reading a MAC file from a PC: infile 'C:\mydata\test.dat' dsd dlm='|' termstr=cr;
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