if it is a external file,you may use infile;
http://support.sas.com/documentation/cdl/en/lrdict/64316/HTML/default/viewer.htm#a000146932.htm
DELIMITER= delimiter(s)
specifies an alternate delimiter (other than a blank) to be used for LIST input, where delimiter(s) is
'list-of-delimiting-characters'
specifies one or more characters to read as delimiters.
Requirement: Enclose the list of characters in quotation marks.
Featured in: Changing How Delimiters Are Treated
character-variable
specifies a character variable whose value becomes the delimiter.