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38 lines
1017 B
PowerShell
Executable File
38 lines
1017 B
PowerShell
Executable File
#!/snap/bin/powershell
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# Syntax: ./weather-alert.ps1
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# Description: checks the current weather for critical values
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# Author: Markus Fleschutz
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# Source: github.com/fleschutz/PowerShell
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# License: CC0
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$GeoLocation="" # empty means determine automatically
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function Check {
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param ([int]$Value, [int]$NormalMin, [int]$NormalMax, [string]$Unit)
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if ($Value -lt $NormalMin) {
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return "$Value $Unit ! "
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}
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if ($Value -gt $NormalMax) {
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return "$Value $Unit ! "
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}
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return ""
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}
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try {
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$Weather=(Invoke-WebRequest http://wttr.in/${GeoLocation}?format=j1 -UserAgent "curl" ).Content | ConvertFrom-Json
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$Result+=Check $Weather.current_condition.windspeedKmph 0 48 "km/h"
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$Result+=Check $Weather.current_condition.visibility 1 1000 "km visibility"
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$Result+=Check $Weather.current_condition.temp_C -20 40 "°C"
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$Result+=Check $Weather.current_condition.uvIndex 0 6 "UV"
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if ($Result -eq "") {
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echo "No weather alert"
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} else {
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echo "WEATHER ALERT: $Result"
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}
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exit 0
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} catch { Write-Error $Error[0] }
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exit 1
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