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                            KILL


     Kill is a program written by Joshua Brodsky for UDC  to
delete   multiple   directories   according  to  a  wildcard
specification.    Kill   was   completed   7/14/81.     This
documentation  file  corresponds  with  KILL  version 4A(3),
which was last updated 12/23/81.

     Kill accepts the following commands in standard TOPS-20
format:


                      BEGIN (KILLING)


     This  causes  KILL  to  start  the   killing   process.
Confirmation  with CTRL/Y is required after you type return.
Then, a warning notice is output and  killing  begins.   You
can  type  CTRL/C  to get out of KILL in an emergency before
the message "Killing started"  appears  and  no  directories
will be killed.


                       CONFIRM (MODE)


     This causes KILL to enter  a  confirmation  mode  where
each  directory is listed and must be confirmed before it is
killed.  Typing any other character for confirmation  causes
the  directory  to  be  kept  and  kill  stops.   It  is not
recommended to use the confirm mode when PUSHing.


            EXCEPT (DIRECTORY) <DIRECTORY-NAME>


     This command tells KILL to kill all directories in  the
specification   EXCEPT   the   one(s)  listed  with  EXCEPT.
Wildcards can be used in the directory specification to keep
entire  classes.   This  command  is  identical  to the KEEP
command, except that input is from the  terminal.   You  may
use more than one EXCEPT command per killing.


                     EXIT (TO MONITOR)


     This causes  KILL  to  exit  to  the  monitor  with  no
killing.   You  may  reenter  your  previous  status  with a
"@START" command.


            KEEP (DIRECTORIES IN FILE) FILE-NAME


     This command causes KILL to read in directories from  a
disk  file  and  do  EXCEPT's  with  them.  They may contain
wildcards.  More than one KEEP command  can  be  used  in  a
killing.  See the EXCEPT command.


             KILL (SPECIFICATION IS) <WILDCARD>


     This command changes  the  wildcard  specification  for
KILL  to  use  when  killing  directories.  See the examples
below


        LIST (DELETED DIRECTORIES ON FILE) FILE-NAME


     All deleted directories will be listed on the specified
file.   This  command  is  required  for  safety  if no KILL
command has been given.


                 NOTIFY (LINE) LINE NUMBER


     When KILL has  completed  killing,  it  can  optionally
notify  a  terminal  by  its  octal  line number that it has
finished.  This command is handy when a user wishes  to  run
KILL on a separate terminal, and do work on another.


               PUSH (COMMAND LEVEL AND KILL)


     This command is identical to BEGIN except that it  also
PUSHes  a  command  level at the same time while running, to
allow a user to do work while KILL runs.


                    TEST (KILLING MODE)


     This command causes KILL to enter a  test  mode,  where
all  directories will NOT be killed, but simulated.  In this
mode, KILL is harmless.  (There is no way  to  reverse  this
command  except  by  restarting  the program).  This mode is
handy for testing which directories would  be  killed  in  a
real  kill,  without actually killing.  This command is also
useful for getting familiar with KILL.
                         EXAMPLES:


     The  user  wishes  to  delete  a  class  consisting  of
ps:<0510> and all of its subdirectories:
@ENABLE
$RUN KILL
KILL>KILL <0510*>
KILL>LIST TTY:
KILL>BEGIN
[CONFIRM WITH CTRL-Y]^Y
KILLING STARTED ON.......
.........
KILLING COMPLETED ON......
10 DIRECTORIES KILLED.....
 The user wishes to delete all directories except those
listed in file DIRS.TXT:
KILL>KEEP DIRS.TXT
KILL>LIST KILL.TXT
KILL>PUSH
CONFIRM ....
TOPS-20 COMMAND LEVEL.....
 The user wishes to kill all directories on PS: except those
in a file
KEEP.DIR. He wishes to run a test run first on the
lineprinter to make sure
he does not kill a directory he needs:
KILL>TEST (KILLING MODE)
KILL>KEEP KEEP.DIR
KILL>LIST LPT:
KILL>BEGIN
...