mib2c.conf.5.in
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- .TH MIB2C.CONF 1 "28 Apr 2004" V5.2 "Net-SNMP"
- .UC 4
- .SH NAME
- mib2c.conf -- How to write mib2c.conf files to do ANYTHING based on MIB input.
- .SH SYNOPSIS
- % cat > mib2c.test.conf << EOF
- @foreach $t table@
- Starting table $t
- @foreach $c column@
- echo $t has column $c which has a syntax of $c.syntax
- @end@
- @end@
- EOF
- % mib2c -c mib2c.test.conf internet
- .SH DESCRIPTION
- The mib2c.conf script language is a MIB-particular language designed
- to easily process MIB nodes in ways that you want. mib2c is a
- misnomer (for historical purposes), because you can produce anything
- (not just C code). Look in the Net-SNMP "local" directory for a bunch
- of example mib2c.*.conf files and behold the power before you.
- .SH COMMANDS
- .PP
- All commands within mib2c.conf files are embraced by @ signs.
- Anything with an @ sign at the front and back of the line is generally
- supposed to be a mib2c specific command. These are detailed here:
- COMMANDSHERE
- .SH VARIABLES
- .PP
- Variables in the mib2c language look very similar to perl variables,
- in that they start with a "$". They can be used for anything you
- want, but most typically they'll hold mib node names being processed
- by @foreach ...@ clauses.
- .PP
- They also have a special properties when they are a mib node, such that
- adding special suffixes to them will allow them to be interpreted in
- some fashion. The easiest way to understand this is through an
- example. If the variable 'x' contained the word 'ifType' then some
- magical things happen. In mib2c output, anytime $x is seen it is
- replaced with "ifType". Additional suffixes can be used to get other
- aspects of that mib node though. If $x.objectID is seen, it'll be
- replaced by the OID for ifType: ".1.3.6.1.2.1.2.2.1.3". Other
- suffixes that can appear after a dot are listed below.
- .PP
- One last thing: you can use things like $vartext immediately ending in
- some other text, you can use {}s to get proper expansion of only part
- of the mib2c input. IE, $xtext will produce "$xtext", but ${x}text
- will produce "ifTypetext" instead.
- VAREXPANSIONSHERE
- .SH SEE ALSO
- .PP
- mib2c(1)