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Full Discussion: Help with script to create printers on unix
Top Forums Shell Programming and Scripting Help with script to create printers on unix Post 302419447 by zaxxon on Friday 7th of May 2010 07:40:23 AM
Old 05-07-2010
I am not totally sure what you want to do and maybe othere people did not quite understand it neither so that could be the reason because so many look in but do not answer.

Whatever, there are some lines, I see no sense in:
Code:
awk 'BEGIN {while ( getline < "sun5-printers.txt") {arr[$0]++ }}{ if (!($0
 in arr ) ) {print} }' sun8-printers.txt
#Amend,create or delete Printer
prExists=$?

You compare 2 files to get the difference and getting the difference, you do nothing with that list. The output is not used any further and also the $? is not worth anything since awk will nearly always give you a 0 back, no matter if there is a difference or not.
I recommend you do a simple diff instead and check it for it's $? to notice if there is a difference or not. If you really need to process the difference list, you might use a simple grep -f against those 2 files so you can a) check it's result with $? and b) if you need the output, process/parse it.

Also your function printerExists() is not closed with a } which will produce an error, maybe just a typo.
So far I got the impression you want to create those print queues that do not exist on some hosts yet.
Then you might want to write your printerExists() so that it can parse a) a printer name, that you might already have gotten by checking which do not exist, b) an action like [add|delete].
Also all those variable inside the function have not been filled with usable values, which could have happened outside this function or in another function so you can hand them over to printerExists() as parameters too.

Maybe get a clear picture of what you want to do 1st and write the script according to that and/or tell what exactly is not working currently.
By taking a glimpse at it there should be several things that might not work, like stated above.
 

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LEARN ABOUT DEBIAN

enable

enable(1)                                                          User Commands                                                         enable(1)

NAME

       enable, disable - enable/disable LP printers

SYNOPSIS

       /usr/bin/enable printer...

       /usr/bin/disable [-c | -W]  [ -r [reason]] printer...

DESCRIPTION

       The  enable  command  activates  printers,  enabling  them to print requests submitted by the lp command. enable must be run on the printer
       server.

       The disable command deactivates printers, disabling them from printing requests submitted by the lp command. By default, any requests  that
       are  currently  printing  on printer will be reprinted in their entirety either on printer or another member of the same class of printers.
       The disable command must be run on the print server.

       Use lpstat -p to check the status of printers.

       enable and disable only effect queueing on the print server's spooling system. Executing these commands from a client system will  have  no
       effect on the server.

OPTIONS

       The following options are supported for use with disable:

       -c              Cancels  any requests that are currently printing on printer. This option cannot be used with the -W option. If the printer
                       is remote, the -c option will be silently ignored.

       -W              Waits until the request currently being printed is finished before disabling printer. This option cannot be used  with  the
                       -c option. If the printer is remote, the -W option will be silently ignored.

       -r [reason]     Assigns  a  reason  for  the  disabling  of  the  printer(s). This reason applies to all printers specified. This reason is
                       reported by lpstat -p. Enclose reason in quotes if it contains blanks. The default  reason  is  "unknown  reason"  for  the
                       existing printer, and "new printer" for a printer added to the system but not yet enabled.

OPERANDS

       The following operand is supported for both enable and disable:

       printer         The  name of the printer to be enabled or disabled. Specify printer using atomic name. See printers.conf(4) for information
                       regarding the naming conventions for atomic names.

EXIT STATUS

       The following exit values are returned:

       0               Successful completion.

       non-zero        An error occurred.

FILES

       /var/spool/lp/*         LP print queue.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWpcu                      |
       +-----------------------------+-----------------------------+
       |CSI                          |enabled                      |
       +-----------------------------+-----------------------------+

SEE ALSO

       lp(1), lpstat(1), printers.conf(4), attributes(5)

SunOS 5.10                                                          9 Sep 1996                                                           enable(1)
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