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<emit source="exec"></emit>
Provided by module: Tags: Exec emit plugin
This
plugin makes it possible to call an external application and
retrieve the output written to stdout. To call an application it has
to be specified in the Available Applications module
variable. The result can be parsed and variables can be extracted by
settting delimiter characters. The return value and the raw result
from the application can be retrieved with special variables.
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Note!
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All <emit> attributes apply.
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Attributes
<emit source='exec' application='uptime' raw-variable='var.raw'/>
<sscanf format='%*s load average: %f, %f, %f'
variables='var.load-1,var.load-5,var.load-15'>&var.raw;</sscanf>
Load 1 min: &var.load-1;<br/>
Load 5 min: &var.load-5;<br/>
Load 15 min: &var.load-15;<br/> |
<emit source='exec'
application='cat'
arguments='/proc/meminfo'
value-split=':'>
MemTotal: &_.MemTotal;<br/>
MemFree: &_.MemFree;<br/>
</emit> |
- application="string"
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A symbolic name of the application to execute. The path to the
application is looked up in the Available Applications
module variable. The application has to be defined in the list,
an error will be generated otherwise.
- arguments="string"
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Defines the arguments sent to the application.
- timeout="seconds" (60)
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This attribute defines the timeout for the external application.
After the specified amount of seconds the application is killed.
- loop-split="string"
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This attribute defines the delimiter to use when the result is
split to extract each loop step.
- entity-split="string" (newline)
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This attribute defines the delimiter to use when each loop of
the result is split to extract entities.
- value-split="string" (=)
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This attribute defines the delimiter to use when each entity of
the result is split to extract the entry name and its value.
- raw-variable="variable name"
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Define this attribute to a variable name to store the raw result
from the application in this variable. The variable will also be
available after the emit
- return-variable="variable name"
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Define this attribute to a variable name to store the return value
from the application in this variable. The variable will also be
available after the emit
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