Firstly, sorry I didn't submit this via Gnats as I don't have access to it. 
Could someone be kind enough to do it for me if this really is considered an 
error. I think I submitted this before without Gnats and it was lost...
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The following piece of code (from /usr/src/usr.sbin/lpr/lpr/lpr.c in NetBSD 
V1.1 (and in current that I just checked on ftp.iastate.edu)) seems to have 
a small bug:

if (printer == NULL && (printer = getenv("PRINTER")) == NULL)
                printer = DEFLP;


This code is suppose to check if the user spec'd a "lpr -P queue_to_use" 
command line, if the "PRINTER=" environment variable exists, or if the site 
specific "DEFLP" printer should be used.

Unfortunately if you have "PRINTER=default_queue_to_use" defined and you 
have specified:
 "lpr -P queue_to_use" the print job goes to the "default_queue_to_use" in 
your environment variable because the of reuse of the variable "printer" in 
the lpr.c code.

To fix this I think the following would work:

if ( (( env_printer = getenv("PRINTER")	) != NULL ) && ( printer == NULL ) )
{
	printer = env_printer;
}
else if ( printer == NULL )
{
	printer = DEFLP;
}

With this code I think you will always get the printer spec'd in -P but if 
not spec'd you will get the PRINTER= if it exists, else DEFLP.

Scott
scott.burns@labatt.com