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evmsort(1)

NAME

evmsort - Sorts events

SYNOPSIS

evmsort [-s sort_spec] [filename | -]

OPTIONS

-s sort_spec The alternate sort specification. By default events are sorted into ascending timestamp order. See the DESCRIPTION section for the syntax of the sort_spec.

OPERANDS

filename Reads event sources from filename. If filename is omitted, or is specified as -, event sources are read from stdin.

DESCRIPTION

The evmsort command reads a stream of events and sorts them according to the supplied criteria. By default events are read from stdin, and are sorted into ascending timestamp order. The -s flag specifies sort_spec as an alternate sort specification. The specification is a character string of the following form: @key_item[+|-] [ :@key_item[+|-] ] The key_item is the name of any EVM standard data item and the @ character is optional. The optional trailing + or - character indicates ascending (+) or descending (-) sort. By default, items are sorted in ascending order. Multiple items can be specified in the string by separating them with colon characters (:). The left-most key_item in the specification is the most significant key.

RESTRICTIONS

The evmsort command rejects attempts to output raw events to a terminal device.

EXAMPLES

The following example retrieves all events with a priority of 300 or greater, sorts them into descending order of priority (most urgent first) and then ascending order of time (oldest first), and displays them: evmget -f '[priority >= 300]' | evmsort -s "@priority-:@timestamp" | evmshow -t "@priority @timestamp @@" The following example yields a list of all events, sorted latest first within name: evmget | evmsort -s "@name:@timestamp-" | evmshow -t "@name @timestamp @@"

EXIT VALUES

The following exit values are returned: 0 Successful completion not 0 An error occurred

SEE ALSO

Commands: evmget(1), evmpost(1), evmshow(1), evmwatch(1) Files: evmchannel.conf(4) Event Management: EVM(5) EVM Events: EvmEvent(5) Event Filter: EvmFilter(5)

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