cancel - send cancel requests to an LPRng print service
SYNOPSIS
cancel [ -P printer ] [ -D debug-options ]
[ request-ID... ]
DESCRIPTION
The LPRng lprm client supports an cancel interface when
invoked with an cancel program name. This is similar to
the ex(1) and vi(1) programs. The supported form of the
cancel command arranges for the named jobs to be removed
from the specified print queues. The action is identical
to that of lprm(1), including the options, with the dif
ference that the last argument on the command line can be
an optional printer name. If the name does not appear in
the LPRng printcap database, then the name is assumed to
be a job identifier.
The format of request-ID should be either the identifier
field value or the job number reported by LPQ.
OPTIONS
-P printer
printer name. The destination printer is taken
from the command line -P printer value, then the
environment variables PRINTER, LPDEST, NPRINTER,
NGPRINTER, then first entry in the printcap infor
mation, and and finally the default_printer entry
from the configuration file, and then the compile
time default.
-D debug-options
Debug options for the program.
OPERANDS
The following operands are supported by cancel:
ID A request ID, as returned by lp. Specify
ing a request ID cancels the associated
request even if it is currently printing.
printer A printer name (for a complete list of
printer names, use lpq). This method may
not be supported on all systems, and the -P
printer form should be used instead.
ENVIRONMENT
By default, the destination printer is taken from the com
mand line printer value, then the environment variables
PRINTER, LPDEST, NPRINTER, NGPRINTER, then first entry in
the printcap information, and and finally the
default_printer entry from the configuration file, and
then the compile time default.
The following exit values are returned:
zero (0) Successful completion.
non-zero (!=0) An error occurred.
SEE ALSO
lpd.conf(5), lpc(8), lpd(8), checkpc(8), lpr(1), lpq(1),
lprm(1), printcap(5), lpd.perms(5), pr(1).
DIAGNOSTICS
Most of the diagnostics are self explanatory.
If you are puzzled over the exact cause of failure,
set the debugging level on (-D5) and run again.
The debugging information will
help you to pinpoint the exact cause of failure.
HISTORY
LPRng is a enhanced printer spooler system with function
ality similar to the Berkeley LPR software. The LPRng
mailing list is lprng@lprng.com; subscribe by sending mail
to lprng-request@lprng.com with the word subscribe in the
body. The software is available from
ftp://ftp.astart.com/pub/LPRng.
AUTHOR
Patrick Powell <papowell@lprng.com>.
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