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       snscan - display information on articles in the spool
       sncat - display articles in the spool
       sncancel - cancel articles in the spool


       snscan [options] articlespec...
       sncat [options] articlespec...
       sncancel [options] articlespec...
       options: [-n] [-s since] [-o outputfile]


       snscan displays  information  on all articles specified by articlespec,
              in the form
              newsgroup serial id
              on a line,  one  line  per  article  matched.   This  output  is
              suitable for feeding to snprimedb.

       sncat  displays the articles specified by articlespec.

              marks  articles  specified  by  articlespec as canceled, so they
              become unavailable to sn programs.


       articlespec defines  a  broad  pattern  for  articles.   It  takes  two
       mutually exclusive forms.

       Specify by newsgroup and serial number
              Here articlespec is
              where each range is
              (where  toserial  is  greater  than  serial).   If  toserial  is
              omitted, then all articles after serial are  matched.   If  both
              serial  and  toserial  are  empty,  then only the first and last
              articles are matched.

       Specify by articles message ID
              Here articlespec is -i id...
              where each id is a message ID, angle brackets optional.


       -n     This option weeds out articles that are aliases.  If an  article
              is  crossposted, there will be an original copy, the others will
              be aliases  to  it.   This  option  prevents  information  being
              displayed if it is not from the original copy.

              This  option weeds out articles that were obtained before since.
              since is in the format year/month/day[:hour:minute]  where  each
              is  a number.  year may be 2 or 4 digits, and / and : can be any
              non-digit character.

              Write output to outputfile instead of descriptor  1.   Sometimes
              you just don’t feel like using the shell.


       sncancel linux.lemmings:12
              Cancel article 12 from linux.lemmings.

       snscan linux.lemmings:4,12-
              Display  information  on  article 4, and also articles 12 to the
              most recent article, from linux.lemmings.

       sncat -n -s 1998/4/1 linux.lemmings
              Display all articles  that  are  not  aliases,  and  which  were
              entered after April 1 1998, from linux.lemmings.

       snscan -i ’123@myhost’
              Display  information on the article whose ID is <123@myhost>, in
              whichever newsgroup it is found.


       Each articlespec or id on the command line refers to  articles  in  the
       news spool located in /var/spool/sn.


       SNROOT If  this  is set and is not empty, the value is used in place of
              /var/spool/sn, the default news spool directory.


       snscan exits 0 on success, 1 on usage error, 2 on system error,  and  3
       on  other  errors.   It is not an error to specify an article that does
       not exist, or which does not meet the since criterion.