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SORTBIB(1)                  General Commands Manual                 SORTBIB(1)

       sortbib - sort a bibliographic database

       sortbib [ -sKEYS ] database...

       This  command  is available with the Text software installation option.
       Refer to for information on how to install optional software.

       sortbib sorts files of records containing refer  key-letters  by  user-
       specified  keys.   Records  may be separated by blank lines, or by `.['
       and `.]'  delimiters, but the two styles may  not  be  mixed  together.
       This  program  reads  through  each  database and pulls out key fields,
       which are sorted separately.  The sorted key fields  contain  the  file
       pointer,  byte  offset,  and  length  of  corresponding records.  These
       records are delivered using disk seeks and reads, so sortbib may not be
       used in a pipeline to read standard input.

       By  default,  sortbib  alphabetizes  by the first %A and the %D fields,
       which contain the senior author and date.  The -s  option  is  used  to
       specify  new KEYS.  For instance, -sATD will sort by author, title, and
       date, while -sA+D will sort by all authors, and date.  Sort  keys  past
       the fourth are not meaningful.  No more than 16 databases may be sorted
       together at one time.  Records longer  than  4096  characters  will  be

       sortbib  sorts  on the last word on the %A line, which is assumed to be
       the author's last name.  A word in the final position,  such  as  `jr.'
       or  `ed.',  will  be  ignored if the name beforehand ends with a comma.
       Authors with two-word last names or unusual constructions can be sorted
       correctly by using the nroff convention `\0' in place of a blank.  A %Q
       field is considered to be the same as %A, except  sorting  begins  with
       the  first,  not the last, word.  sortbib sorts on the last word of the
       %D line, usually the year.  It also ignores leading articles (like  `A'
       or `The') when sorting by titles in the %T or %J fields; it will ignore
       articles of any modern European language.  If a sort-significant  field
       is  absent  from  a  record,  sortbib  places  that record before other
       records containing that field.

       addbib(1), indxbib(1), lookbib(1), refer(1), roffbib(1)

       refer in

       Records with missing author fields should probably be sorted by title.

                               21 December 1987                     SORTBIB(1)