From: Unix-Admin (Unix-admin@triad.rr.com)
Date: Thu Sep 05 2002 - 21:44:32 EDT
Here are the answers
Thanks
Tom
------------------------------------------
Do as follows.
touch /tmp/file_printer
chown lp:bin /tmp/file_printer
chmod 644 /tmp/file_printer
lpadmin -pmyfileprinter -v/tmp/file_printer -mlaserjet
lpshut
lpsched
enable myfileprinter
accept myfileprinter
lp -dmyfileprinter /etc/passwd
Verify it printed..
cat /tmp/file_printer
-------------------------------------------
Take a look at scripts in /var/spool/lp/model (particularly the one called
"dumb") -- they just cat(1) a file to the device specified when you build
the queue (imagine what would happen if that file were on the file system
and the cat was changed from
cat $file 2>&1
to
cat $file >> $outfile 2>&1
Or, maybe, you want to store them in individual files using the print job
number...
When you lpadmin, use /dev/null as the device.
Just be careful, PS file are HUGE. They are ASCII files, first line starts
with "%!PS".
-------------------------------------------
i have modified the "dumb" model to print
to a file specified on the lp command line. add it to /usr/spool/lp/model
directory and use it to create a new printer. good luck, julius
#!/usr/bin/sh
# lp interface for dumb line printer modified to allow print to file
#
#added option: -name, use as -nameFILE_NAME, where FILE_NAME is
# fully qualified file name where the output should go
#
#########################################################################
PATH="/usr/bin:/usr/lib"
export PATH
for i in $5
do
case "$i" in
-name | name) # file name
name=$i ;;
esac
done
if [ -n $name ]
then
cat /dev/null > "$file"
else
exit 1
fi
# The remaining arguments are files
shift; shift; shift; shift; shift
files="$*"
# Print the spooled files to $file
for file in $files
cat "$file" >> $name 2>/dev/null
done
exit 0
#### end model file ####
-------------------------------------------------------
Create the print queue with device "/dev/null". For example "lpadmin
-pPRTNAME -mMODEL -v/dev/null".
If you want ASCII text formatted for postscript, then use model
"postscript". If you do not want any formatting done, then use model
"dumb".
Then you can edit the /etc/lp/interface/PRINTER script and change it to
output to a file.
In this script, the $1 through $5 args are JOB, USER NAME, TITLE, COPIES,
OPTIONS. After these are evaluated, then you will see five "shift"
commands. This will make the $6 arg shift down to $1. Now all of the
remaining args will be file names to be spooled.
Near the bottom of the script, you will see something like this:
i=1
while [ $i -le $COPIES ]
do
for file in $files
do
...
done
done
In this loop is where you will put your command to output your files.
Something like "cat $file > /tmp/$OUTNAME".
You will need to decide what you want "$OUTNAME" to be and what to do if
"copies" is used or more than one file is spooled.
To help debug and test, put the following lines into the top of the
/etc/lp/interface/PRINTER script.
PR=`basename $0`
WK=/tmp
set -x
exec > ${WK}/${PR}_OUTPUT 2>&1
This will give you a new /tmp/PRINTER_OUTPUT file every time a file is
despooled.
---------------------------------------------------
--
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