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Commands Reference, Volume 3
lpr Command
The lpr command includes information
for the AIX Print Subsystem lpr and
the System V Print Subsystem lpr.
AIX Print Subsystem lpr Command
Purpose
Enqueues print jobs.
Syntax
lpr [ -f ] [ -g ]
[ -h ] [ -j ] [ -l ] [ -m ] [
-n ] [ -p ] [ -r
] [ -s ] [ -P Printer ] [ -# NumberCopies ] [ -C Class ] [ -J Job ] [ -T Title ] [ -i [ NumberColumns ] ] [
-w Width ] [ File ... ]
Description
The lpr command uses a spooling
daemon to print the named File parameter when facilities
become available. If no files are specified, the lpr command
reads from standard input.
Flags
-# Number |
Produces multiple copies of output, using the Number variable as the number of copies for each file named. |
-C Class |
Specifies the print Class as the job classification
on the burst page. |
-f |
Uses a filter that interprets the first character of each line as
a standard FORTRAN carriage control character. |
-g |
The files are assumed to contain standard plot data. |
-h |
Suppresses printing of the burst page.
Note
The default
is to print a header page and not a trailer page. |
-i [Number] |
Indents output Number spaces. If the Number variable is not given, eight spaces are used as
the default. |
-j |
Specifies that the message Job number is: nnn, where nnn is the assigned job number, be displayed to standard
output. This occurs only if the job is submitted to a local print queue. |
-J Job |
Prints the Job variable as the job name on
the burst page. Usually, the lpr command uses the name
of the first file. |
-l |
(Lowercase L) Uses a filter that allows control characters to be
printed. |
-m |
Sends mail upon completion of spooling. |
-n |
Uses a filter that formats files containing ditroff (device-independent troff) data. |
-P Printer |
Forces output to the Printer variable. If
this flag is not specified, the following conditions occur:
|
-p |
Uses the pr command to format the file (lpr -p is very much like pr
| lpr). |
-r |
Removes the file upon completion of spooling. |
-s |
Prints from the files specified on the command line rather than trying
to copy them (so large files can be printed). This means the data files should
not be modified or removed until they have been printed. Note that this flag
only works on the local host (files sent to remote printer hosts are copied
anyway), and only with named data files. It does not work if the lpr command is at the end of a pipeline. |
-T Title |
Uses the Title variable instead of the file
name for the title used by the pr command. |
-w Number |
Uses the Number variable as the page width
for the pr command. |
Examples
- To print three copies of the files new.index.c, print.index.c, and more.c, enter:
lpr -#3 new.index.c print.index.c more.c
Prints three copies
of the new.index.c file, three copies of the print.index.c file, and three copies of the more.c file.
- To print three copies of the concatenation of three
files new.index.c, print.index.c, and more.c, enter:
cat new.index.c print.index.c more.c | lpr -#3
- To print Operations on
the burst page, followed by file new.index.c,
enter:
lpr -C Operations new.index.c
This replaces the system name (the name returned by host name)
with Operations on the burst page.
- To queue the MyFile file and return the job
number, enter:
lpr -j MyFile
Files
/usr/sbin/qdaemon |
Queuing daemon. |
/etc/qconfig |
Queue configuration file. |
/etc/qconfig.bin |
Digested, binary version of the /etc/qconfig file. |
/var/spool/lpd/qdir/* |
Queue requests. |
/var/spool/lpd/stat/* |
Information on the status of the queues. |
/var/spool/qdaemon |
Temporary copies of enqueued files. |
Related Information
The lpd command, lpq command, lprm command, pr command, qdaemon command.
The qconfig file.
Starting a Print Job in AIX 5L Version 5.2 System User's Guide: Operating System and Devices.
Printers, Print Jobs and Queues
Overview for Users in AIX 5L Version 5.2 System User's Guide: Operating System and Devices.
Printer Overview for System
Management in the AIX 5L Version 5.2 Guide to Printers and Printing.
Spooler Overview for System
Management in the AIX 5L Version 5.2 Guide to Printers and Printing.
System V Print Subsystem
lpr Command
Purpose
(BSD) Sends a job to the printer.
Syntax
/usr/bin/lpr [ -P printer] [ -# copies] [ -C class] [ -J job] [ -T title] [ -i [indent] ] [ -w cols] [ -r] [ -m]
[ -h] [ -s] [ -filter_option] [file ... ]
Description
The lpr command forwards printer jobs to a spooling
area for subsequent printing as facilities become available. Each printer
job consists of copies of each file you specify. The
spool area is managed by the line printer spooler, lpsched. lpr reads from the standard input if no files
are specified.
lp is the preferred interface.
Command-line options cannot be combined into a single argument as with
some other commands. The command:
lpr -fs
is not equivalent to
lpr -f -s
Placing the -s flag first, or writing each option
as a separate argument, makes a link as expected.
lpr -p is not precisely equivalent to pr | lpr. lpr -p puts the current date at the top
of each page, rather than the date last modified.
Fonts for troff and
T[E]X reside on the printer host. It is not possible to use local font libraries.
lpr objects to printing binary files.
If userA uses su to become userB and uses /usr/bin/lpr, then the printer request will be entered as userB, not
userA
Flags
- -P printer
- Send output to the named printer. Otherwise
send output to the printer named in the PRINTER environment
variable, or to the default printer, lp.
- -# copies
- Produce the number of copies indicated for each
named file. For example:
lpr -#3 index.c lookup.c
produces three copies of index.c, followed by three
copies of lookup.c. On the other hand,
cat index.c lookup.c | lpr -#3
generates three copies of the concatenation of the files.
- -C class
- Print class as the job classification on the
burst page. For example,
lpr -C Operations new.index.c
replaces the system name (the name returned by ``hostname'') with Operations on the burst page, and prints the file new.index.c.
- -J job
- Print job as the job name on the burst page.
Usually, lpr uses the first file's name.
- -T title
- Use title instead of the file name for the title
used by pr.
- -i[indent]
- Indent output indent <Space> characters.
Eight <Space> characters is the default.
- -w cols
- Use cols as the page width for pr.
- -r
- Remove the file upon completion of spooling, or upon completion of printing
with the -s flag.
- -m
- Send mail upon completion.
- -h
- Suppress printing the burst page.
- -s
- Use the full pathnames (not symbolic links) of the files to be printed
rather than trying to copy them. This means the data files should not be modified
or removed until they have been printed. This flag only prevents copies of
local files from being made. Jobs from remote hosts are copied anyway. The -s flag only works with named data files; if the lpr command is at the end of a pipeline, the data is copied to the spool.
- filter_option
- The following single letter options notify the line printer spooler
that the files are not standard text files. The spooling daemon will use the
appropriate filters to print the data accordingly.
- -p
- Use pr to format the files (lpr -p is very much like pr | lpr).
- -l
- Print control characters and suppress page breaks.
- -t
- The files contain troff (cat
phototypesetter) binary data.
- -n
- The files contain data from ditroff (device
independent troff).
- -d
- The files contain data from tex (DVI format
from Stanford).
- -g
- The files contain standard plot data as produced by the routine plot for the filters used by the printer spooler.
- -v
- The files contain a raster image. The printer must support an appropriate
imaging model such as PostScript in order to print the image.
- -c
- The files contain data produced by cifplot.
- -f
- Interpret the first character of each line as a standard FORTRAN carriage
control character.
If no filter_option is given (and the printer
can interpret PostScript), the string `%!' as the first
two characters of a file indicates that it contains PostScript commands.
These filter options offer a standard user interface, and all options may
not be available for, nor applicable to, all printers.
-
-
Files
- /usr/lib/lp/lpsched
- System V line printer spooler
- /var/spool/lp/tmp/*
- directories used for spooling
- /var/spool/lp/tmp/system/*-0
- spooler control files
- /var/spool/lp/tmp/system/*-N
- (N is an integer and > 0) data files specified
in `*-0' files
Error Codes
- lpr: printer: unknown printer
- The printer was not found in the LP database.
Usually this is a typing mistake; however, it may indicate that the printer
does not exist on the system. Use lpstat -p to find
the reason.
- lpr: error on opening queue to spooler
- The connection to lpsched on the local machine
failed. This usually means the printer server started at boot time has died
or is hung. Check if the printer spooler daemon /usr/lib/lpsched is running.
- lpr: printer: printer queue is disabled
- This means the queue was turned off with
/usr/etc/lpc disable printer
to prevent lpr from
putting files in the queue. This is usually done by the system manager when
a printer is going to be down for a long time. The printer can be turned
back on by a privileged user with lpc.
- lpr: Can't send message to the LP print
service
-
- lpr: Can't establish contact with the
LP print service
- These indicate that the LP print service has been stopped. Get help
from the system administrator.
- lpr: Received unexpected message from
LP print service
- It is likely there is an error in this software. Get help from system
administrator.
- lpr: There is no filter to convert the
file content
- Use the lpstat -p -l command to find a printer
that can handle the file type directly, or consult with your system administrator.
- lpr: cannot access the file
- Make sure file names are valid.
Related Information
The lpc command, lpq command, lprm command, and troff command.
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