yaz_sort Sets sorting criteria &reftitle.description; voidyaz_sort resourceid stringcriteria This function sets sorting criteria and enables Z39.50 Sort. Call this function before yaz_search. Using this function alone does not have any effect. When used in conjunction with yaz_search, a Z39.50 Sort will be sent after a search response has been received and before any records are retrieved with Z39.50 Present (yaz_present. &reftitle.parameters; id The connection resource returned by yaz_connect. criteria A string that takes the form field1 flags1 field2 flags2 where field1 specifies the primary attributes for sort, field2 seconds, etc.. The field specifies either a numerical attribute combinations consisting of type=value pairs separated by comma (e.g. 1=4,2=1) ; or the field may specify a plain string criteria (e.g. title. The flags is a sequence of the following characters which may not be separated by any white space. a Sort ascending d Sort descending i Case insensitive sorting s Case sensitive sorting &reftitle.returnvalues; &return.void; &reftitle.examples; To sort on Bib1 attribute title, case insensitive, and ascending you would use the following sort criteria: If the secondary sorting criteria should be author, case sensitive and ascending you would use: