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The Flux system package provides functions for reading values from the system. Import the system package:
import "system"
System
- Get started
- Upgrade InfluxDB
- Write data
- Query data
- Get started with Flux
- Query with Flux
- Query fields and tags
- Group
- Sort and limit
- Window & aggregate
- Explore your schema
- Transform data with math
- Calculate percentages
- Cumulative sum
- Fill
- First & last
- Histograms
- Increase
- Join
- Median
- Moving Average
- Percentile & quantile
- Rate
- Conditional logic
- Custom functions
- Exists
- Extract scalar values
- Geo-temporal data
- Manipulate timestamps
- Monitor states
- Query SQL data sources
- Regular expressions
- Query with InfluxQL
- Execute queries
- Common queries
- Optimize queries
- Process data
- Visualize data
- Monitor & alert
- Back up & restore data
- InfluxDB templates
- Manage organizations
- Manage users
- Security & authorization
- Telegraf configurations
- Tools & integrations
- Account management
- Reference
- Release notes
- Key concepts
- Configuration options
- Flux language
- Flux standard library
- Built-in
- Inputs
- Outputs
- Transformations
- Aggregates
- Selectors
- Stream & table
- Type conversions
- chandeMomentumOscillator
- columns
- cov
- covariance
- cumulativeSum
- derivative
- difference
- doubleEMA
- drop
- duplicate
- elapsed
- exponentialMovingAverage
- fill
- filter
- group
- histogram
- holtWinters
- hourSelection
- increase
- join
- kaufmansAMA
- kaufmansER
- keep
- keys
- keyValues
- limit
- map
- movingAverage
- pearsonr
- pivot
- range
- relativeStrengthIndex
- rename
- set
- sort
- stateCount
- stateDuration
- tail
- timedMovingAverage
- timeShift
- tripleEMA
- tripleExponentialDerivative
- truncateTimeColumn
- union
- window
- Miscellaneous
- Tests
- Contributed
- CSV
- Date
- Experimental
- HTTP
- InfluxDB
- InfluxDB Monitor
- InfluxDB Schema
- InfluxDB Secrets
- InfluxDB Tasks
- InfluxDB v1
- JSON
- Math
- math.abs
- math.acos
- math.acosh
- math.asin
- math.asinh
- math.atan
- math.atan2
- math.atanh
- math.cbrt
- math.ceil
- math.copysign
- math.cos
- math.cosh
- math.dim
- math.erf
- math.erfc
- math.erfcinv
- math.erfinv
- math.exp
- math.exp2
- math.expm1
- math.float64bits
- math.floor
- math.frexp
- math.gamma
- math.hypot
- math.ilogb
- math.isInf
- math.isNaN
- math.j0
- math.j1
- math.jn
- math.ldexp
- math.lgamma
- math.log
- math.log10
- math.log1p
- math.log2
- math.logb
- math.mInf
- math.mMax
- math.mMin
- math.mod
- math.modf
- math.NaN
- math.nextafter
- math.pow
- math.pow10
- math.remainder
- math.round
- math.roundtoeven
- math.signbit
- math.sin
- math.sincos
- math.sinh
- math.sqrt
- math.tan
- math.tanh
- math.trunc
- math.y0
- math.y1
- math.yn
- PagerDuty
- Profiler
- Pushbullet
- Regular expressions
- Runtime
- Slack
- SQL
- Strings
- strings.compare
- strings.containsAny
- strings.containsStr
- strings.countStr
- strings.equalFold
- strings.hasPrefix
- strings.hasSuffix
- strings.index
- strings.indexAny
- strings.isDigit
- strings.isLetter
- strings.isLower
- strings.isUpper
- strings.joinStr
- strings.lastIndex
- strings.lastIndexAny
- strings.repeat
- strings.replace
- strings.replaceAll
- strings.split
- strings.splitAfter
- strings.splitAfterN
- strings.splitN
- strings.strlen
- strings.substring
- strings.title
- strings.toLower
- strings.toTitle
- strings.toUpper
- strings.trim
- strings.trimLeft
- strings.trimPrefix
- strings.trimRight
- strings.trimSpace
- strings.trimSuffix
- System
- Testing
- View all functions
- Built-in
- Flux specification
- Flux standard library
- InfluxDB v2 API
- Command line tools
- influx
- influx apply
- influx auth
- influx backup
- influx bucket
- influx completion
- influx config
- influx dashboards
- influx delete
- influx export
- influx help
- influx org
- influx ping
- influx query
- influx secret
- influx setup
- influx stacks
- influx task
- influx telegrafs
- influx template
- influx transpile
- influx user
- influx v1
- influx write
- influx restore
- influx version
- influxd
- influxd generate
- influxd inspect
- influxd inspect build-tsi
- influxd inspect compact-series-file
- influxd inspect dump-tsi
- influxd inspect dumpwal
- influxd inspect export-blocks
- influxd inspect export-index
- influxd inspect report-tsi
- influxd inspect report-tsm
- influxd inspect verify-seriesfile
- influxd inspect verify-tsm
- influxd inspect verify-wal
- influxd run
- influxd upgrade
- influxd version
- influx
- Syntax
- InfluxDB URLs
- Sample data
- Glossary
- InfluxDB Internals
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