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Full Discussion: Remove non printing characters from file
Top Forums Shell Programming and Scripting Remove non printing characters from file Post 302976368 by jgt on Tuesday 28th of June 2016 05:03:48 PM
Old 06-28-2016
The print file has a reset to 10 cpi at the beginning of every page.
Previously we were using smbclient with "translate -c" to convert the file from unix to dos, but when we changed to use netcat, it seems that the nulls are causing the record to be dropped.
I have tried variations of
Code:
s/\0031\0000//

with sed and vi to no avail.
What I would like is something like:
Code:
sed -f sed.inp <$file |netcat -h 192.168.1.1 -p 9100

---------- Post updated at 05:03 PM ---------- Previous update was at 04:49 PM ----------

figured it out.
Code:
tr -d "\036\000" <input >output

 

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LEARN ABOUT HPUX

rcancel

rcancel(1M)															       rcancel(1M)

NAME

       rcancel - remove requests from a remote printer spooling queue

SYNOPSIS

       [id ...] [printer] user]

DESCRIPTION

       The command removes a request, or requests, from the spool queue of a remote printer.  is invoked by the command (see lp(1)).

       At least one id or the name of a printer must be specified.

       This command is intended to be used only by the spool system in response to the command (see lp(1)), and should not be invoked directly.

   Options
       The command recognizes the following options:

	      id	  Specifying  a  request ID (as returned by (see lp(1))) cancels the associated request, even if it is currently printing.
			  The maximum number of ids that can be specified is 50.

	      printer	  Name of the printer (for a complete list, use (see lpstat(1))).  Specifying a printer cancels the request which is  cur-
			  rently  printing  on	that printer, if the request is owned by the user.  If the or the option is specified, this option
			  only specifies the printer on which to perform the corresponding cancel operation.

	      Remove all requests owned by the user on the specified printer (see
			  printer).  The owner is determined by the user's login name and host name on the machine where the command was invoked.

	      Empty the spool queue of all requests for the specified
			  printer.  This form of invoking is useful only to users with appropriate privileges.

	      Remove any requests queued belonging to that user (or users)
			  for the specified printer.  You can repeat the option to specify more users.	The maximum number of users  that  can	be
			  specified is 50.  This form of invoking is useful only to users with appropriate privileges.

WARNINGS

       A  remote  print request can be canceled only from the system on which the the original command was issued, and if the restrict cancel fea-
       ture (see lpadmin(1M)) is enabled for the specified printer, a request belonging to this printer can be canceled only by the system  admin-
       istrator or the user who requested it.

       This command is intended to be used only by the spool system in response to the command (see lp(1)), and should not be invoked directly.

AUTHOR

       was developed by the University of California, Berkeley, and HP.

FILES

SEE ALSO

       enable(1), lp(1), lpstat(1), accept(1M), lpadmin(1M), lpsched(1M), rlp(1M), rlpdaemon(1M), rlpstat(1M).

																       rcancel(1M)
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