SORT

SORT sort-file

  { KEY AREA IS key-table             }

  { ON {ASCENDING } KEY {key-name}    } ...
       {DESCENDING}

  [ WITH DUPLICATES IN ORDER ]

  [ COLLATING SEQUENCE IS alpha-name ]

  { INPUT PROCEDURE IS proc-name  }
  { USING {in-file} ...           }

  { OUTPUT PROCEDURE IS proc-name }
  { GIVING {out-file} ...         }

NOTE: proc-name has the following format:

  start-proc [ {THRU   } end-proc ]

               {THROUGH}