This tool is part of the Samba suite.
testprns is a very simple test program to determine whether a given printer name is valid for use in a service to be provided by smbd(8).
"Valid" in this context means "can be found in the printcap specified". This program is very stupid - so stupid in fact that it would be wisest to always specify the printcap file to use.
If a printer is found to be valid, the message "Printer name <printername> is valid" will be displayed.
If a printer is found to be invalid, the message "Printer name <printername> is not valid" will be displayed.
All messages that would normally be logged during operation of the Samba daemons are logged by this program to the file test.log in the current directory. The program runs at debuglevel 3, so quite extensive logging information is written. The log should be checked carefully for errors and warnings.
Other messages are self-explanatory.
The original Samba software and related utilities were created by Andrew Tridgell. Samba is now developed by the Samba Team as an Open Source project similar to the way the Linux kernel is developed.
The original Samba man pages were written by Karl Auer. The man page sources were converted to YODL format (another excellent piece of Open Source software, available at ftp://ftp.icce.rug.nl/pub/unix/) and updated for the Samba 2.0 release by Jeremy Allison. The conversion to DocBook for Samba 2.2 was done by Gerald Carter