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smidiff(1)			   SMI Tools			    smidiff(1)

NAME
       smidiff - check differences between a pair of SMI or SPPI modules

SYNOPSIS
       smidiff	[  -Vhsm  ] [ -c file ]	[ -l level ] [ -i error-pattern	] [ -p
       module ]	oldmodule newmodule

DESCRIPTION
       The smidiff program is used to check differences	between	a pair of  SMI
       MIB  modules  or	 SPPI  PIB  modules.   E.g.,  it can be	used to	detect
       changes in updated MIB modules that can cause interoperability problems
       with existing implementations. SMIv1/v2 and SPPI	style MIB/PIB  modules
       are supported.

       Note that conformance statements	are currently not checked.

       Messages	 describing the	differences are	written	to the standard	output
       channel while error and warning messages	generated by  the  parser  are
       written to the standard error channel.

OPTIONS
       -V, --version
	      Show the smidump version and exit.

       -h, --help
	      Show a help text and exit.

       -s, --severity
	      Show the error severity in brackets before error messages.

       -m, --error-names
	      Show the error names in braces before error messages.

       -c file,	--config=file
	      Read  file  instead of any other (global and user) configuration
	      file.

       -p module, --preload=module
	      Preload the module module	before	reading	 the  main  module(s).
	      This  may	 be helpful if an incomplete main module misses	to im-
	      port some	definitions.

       -l level, --level=level
	      Report errors and	warnings up to the given severity  level.  See
	      the  smilint(1)  manual page for a description of	the error lev-
	      els. The default error level is 3.

       -i prefix, --ignore=prefix
	      Ignore all errors	that have a tag	which matches prefix.

       oldmodule
	      The original module.

       newmodule
	      The updated module.

       If a module argument represents a path name (identified	by  containing
       at  least  one dot or slash character), this is assumed to be the exact
       file to read. Otherwise,	if a module is identified by its plain	module
       name,  it  is searched according	to libsmi internal rules. See smi_con-
       fig(3) for more details.

SEE ALSO
       The  libsmi(3)	project	  is   documented   at	 http://www.ibr.cs.tu-
       bs.de/projects/libsmi/.

AUTHOR
       (C) 2001	T. Klie, TU Braunschweig, Germany <tklie@ibr.cs.tu-bs.de>
       (C) 2001	J. Schoenwaelder, TU Braunschweig, Germany <schoenw@ibr.cs.tu-
       bs.de>
       and contributions by many other people.

IBR				August 10, 2004			    smidiff(1)

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