PowerShell/Docs/list-weather.md
2022-12-04 10:40:18 +01:00

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## The *list-weather.ps1* Script
This PowerShell script lists the hourly weather report in a nice table.
## Parameters
```powershell
list-weather.ps1 [[-Location] <String>] [<CommonParameters>]
-Location <String>
Specifies the location to use (determined automatically per default)
Required? false
Position? 1
Default value
Accept pipeline input? false
Accept wildcard characters? false
[<CommonParameters>]
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
```
## Example
```powershell
PS> ./list-weather
```
## Notes
Author: Markus Fleschutz | License: CC0
## Related Links
https://github.com/fleschutz/PowerShell
## Source Code
```powershell
<#
.SYNOPSIS
Lists the weather report
.DESCRIPTION
This PowerShell script lists the hourly weather report in a nice table.
.PARAMETER Location
Specifies the location to use (determined automatically per default)
.EXAMPLE
PS> ./list-weather
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
param([string]$Location = "") # empty means determine automatically
function GetDescription { param([string]$Text)
switch($Text) {
"Blizzard" { return "❄️ blizzard ⚠️" }
"Clear" { return "🌙 clear" }
"Cloudy" { return "☁️ cloudy" }
"Fog" { return "🌫 fog" }
"Freezing fog" { return "🌫 freezing fog" }
"Heavy snow" { return "❄️ heavy snow ⚠️" }
"Light drizzle" { return "💧 light drizzle" }
"Light rain" { return "💧 light rain" }
"Light rain shower" { return "💧 light rain shower" }
"Light sleet" { return "❄️ light sleet" }
"Light snow" { return "❄️ light snow" }
"Light snow showers" { return "❄️ light snow showers" }
"Moderate snow" { return "❄️ moderate snow" }
"Mist" { return "🌫 misty" }
"Overcast" { return "☁️ overcast" }
"Partly cloudy" { return "⛅partly cloudy" }
"Patchy light rain" { return "💧 patchy light rain" }
"Patchy rain possible" { return "💧 patchy rain possible" }
"Sunny" { return "☀️ sunny" }
"Thundery outbreaks possible" { return "⚡thundery outbreaks possible" }
default { return "$Text" }
}
}
function GetWindDir { param([string]$Text)
switch($Text) {
"NW" { return "↘" }
"NNW" { return "↓" }
"N" { return "↓" }
"NNE" { return "↓" }
"NE" { return "↙" }
"ENE" { return "←" }
"E" { return "←" }
"ESE" { return "←" }
"SE" { return "↖" }
"SSE" { return "↑" }
"S" { return "↑" }
"SSW" { return "↑" }
"SW" { return "↗" }
"WSW" { return "→" }
"W" { return "→" }
"WNW" { return "→" }
default { return "$Text" }
}
}
try {
$Weather = (Invoke-WebRequest -URI http://wttr.in/${Location}?format=j1 -userAgent "curl" -useBasicParsing).Content | ConvertFrom-Json
$Area = $Weather.nearest_area.areaName.value
$Region = $Weather.nearest_area.region.value
$Country = $Weather.nearest_area.country.value
[int]$Day = 0
foreach($Hourly in $Weather.weather.hourly) {
$Hour = $Hourly.time / 100
$Temp = $(($Hourly.tempC.toString()).PadLeft(3))
$Precip = $Hourly.precipMM
$Humidity = $(($Hourly.humidity.toString()).PadLeft(3))
$Pressure = $Hourly.pressure
$WindSpeed = $(($Hourly.windspeedKmph.toString()).PadLeft(2))
$WindDir = GetWindDir $Hourly.winddir16Point
$UV = $Hourly.uvIndex
$Clouds = $(($Hourly.cloudcover.toString()).PadLeft(3))
$Visib = $(($Hourly.visibility.toString()).PadLeft(2))
$Desc = GetDescription $Hourly.weatherDesc.value
if ($Hour -eq 0) {
if ($Day -eq 0) {
Write-Host -foregroundColor green "TODAY 🌡°C ☂mm 💧 💨km/h ☀UV ☁️ 👁km at $Area ($Region, $Country)"
} elseif ($Day -eq 1) {
Write-Host -foregroundColor green "TOMORROW"
} else {
Write-Host -foregroundColor green "Day after tomorrow"
}
$Day++
}
"$(($Hour.toString()).PadLeft(2))°° $Temp° $Precip $Humidity% $($WindDir)$WindSpeed $UV $Clouds% $Visib $Desc"
}
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}
```
*Generated by convert-ps2md.ps1 using the comment-based help of list-weather.ps1*