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               -P      PACK  [options : K, R, O, A]

                       Packs the message base, by  eliminating all
                       deleted messages and message text. Deleting
                       (the -K option, for example) messages  does
                       not  remove  them  from  the  message  base
                       files, it simply marks them  for  deletion.
                       You  MUST  pack the message base to reclaim
                       the   space   occupied  by  these   deleted
                       messages.

                       PACK also provides options  to  purge  old/
                       excess messages (same as -K, except that -K
                       does  not  pack) and renumber (same as -R),
                       so all standard  maintenance  functions can
                       be carried out in the one command.

                       RAMSG  normally  packs  the message base by
                       copying messages from the existing  message
                       base  into  temporary  files,  deleting the
                       original files, then renaming the temporary
                       files to their  correct names.  This is the
                       safest option to  use, since it is possible
                       to  rebuild  the  message  base if  for any
                       reason the PACK process is interrupted (for
                       example, by  power  failure). However, this
                       requires t hat  at least as  much  space as
                       occupied by  the  old message base files be
                       free on your hard disk.

                       To get around this, RAMSG provides an option
                       to pack the  message  base "on top"  of  the
                       existing one without using temporary  files.
                       This directly overwrites the existing files;
                       and  the problem with  this is  that  if the
                       process is interrupted, the message base may
                       be irreparably  damaged and  data  could  be
                       lost.  To use overwrite mode, RAMSG requires
                       the 'o'  option  in the  PACK  command; this
                       forces   overwriting   unconditionally.   To
                       ensure that the message  base  is processed,
                       while    taking   advantage   of   a   safer
                       environment,  RAMSG  also  provides  an  'a'
                       option, which will use  overwrite  mode only
                       if there is insufficient space for a regular
                       pack.

                       Examples:

                       RAMSG -Pkra

                       Pack  the   message   base,  kill   messages
                       according  to  information  in  MESSAGES.RA,
                       renumber  messages  and  use overwrite  mode
                       only  if   insufficient  disk  space  for  a
                       regular pack.

                       RAMSG -Po

                       Pack the message base, using overwrite mode.

See Also: RAMSG function - Otherview

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