`snmpacc`: SNMP accounting data collection package

6.2.3. `snmpmerge` Configuration File

Variables and conditionals
`set <variable> <value>...`	Sets a symbol. See the Symbols section for more information
`if <cond> elseif <cond> else endif`	Lexical control. See the lexical control section for more information
`print <message> ...`	print `<message>` to standard output.
`abort <message> ...`	Abort the program, displaying `<message>`.
Logging
`log <type> <to> <level>`	Define a logging channel. `<type>` can be ```file`'', ```syslog`'' or ```email`''. `<level>` indicates the level of logging required, and can be ```debug`'', ```info`'', ```warning`'', ```error`'', ```fatal`'' or ```none`''. ```fatal`'' indicates only fatal errors. If the type is ```file`'', `<to>` is either the file name or ```stderr`'' to refer to standard error. If the type is ```syslog`'', `<to>` refers to the facility to use. If type is ```email`'', `<to>` is the email address to mail errors to. Multiple ```file`'' or ```email`'' channels can be defined, however only one ```syslog`'' channel can be specified. Log file names can contain `strftime()` time specifiers.
`logdir <dir>`	Specify directory to write log files to
Merge definitions
`merge <name> <..> end merge`	Starts a merge block. Name is used to identify this block in the status file and to select just this block with the `-m <name>` option.
`source <src> ...`	Specifies the names of the data sources that will be merged. Data sources are identified in the header lines of each sample.
`aggregate <interval> <file>`	Aggregate samples into `<secs>` periods, and write the aggregated samples to `<file>`. `<file>` may contain `strftime()` arguments, and the file is appended on each run.