mirror of
https://github.com/fleschutz/PowerShell.git
synced 2024-12-13 10:10:41 +01:00
80 lines
2.2 KiB
Markdown
80 lines
2.2 KiB
Markdown
The *check-moon-phase.ps1* Script
|
|
===========================
|
|
|
|
This PowerShell script determines the Moon phase and answers by text-to-speech (TTS).
|
|
|
|
Parameters
|
|
----------
|
|
```powershell
|
|
/home/markus/Repos/PowerShell/scripts/check-moon-phase.ps1 [<CommonParameters>]
|
|
|
|
[<CommonParameters>]
|
|
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
|
|
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
|
|
```
|
|
|
|
Example
|
|
-------
|
|
```powershell
|
|
PS> ./check-moon-phase
|
|
|
|
```
|
|
|
|
Notes
|
|
-----
|
|
Author: Markus Fleschutz | License: CC0
|
|
|
|
Related Links
|
|
-------------
|
|
https://github.com/fleschutz/PowerShell
|
|
|
|
Script Content
|
|
--------------
|
|
```powershell
|
|
<#
|
|
.SYNOPSIS
|
|
Checks the Moon phase
|
|
.DESCRIPTION
|
|
This PowerShell script determines the Moon phase and answers by text-to-speech (TTS).
|
|
.EXAMPLE
|
|
PS> ./check-moon-phase
|
|
.LINK
|
|
https://github.com/fleschutz/PowerShell
|
|
.NOTES
|
|
Author: Markus Fleschutz | License: CC0
|
|
#>
|
|
|
|
try {
|
|
$LunarCycle = 29.53058868 # synodic period in days, time between successive new moons
|
|
$LunarHalfCycle = $LunarCycle / 2.0
|
|
$Phases = @("New moon", "Waxing crescent moon", "First quarter moon", "Waxing gibbous moon", "Full moon", "Waning gibbous moon", "Last quarter moon", "Waning crescent moon")
|
|
$PhaseLength = $LunarCycle / 8.0
|
|
$PhaseHalfLength = $PhaseLength / 2.0
|
|
|
|
$RefDate = get-date -Year 2021 -Month 12 -Day 4 -Hour 6 -Minute 43 # Dec 4, 2021 06:43 UTC [New Moon]
|
|
$Now = get-date
|
|
$TimeInterval = New-TimeSpan -Start $RefDate -End $Now
|
|
$Days = $TimeInterval.TotalDays
|
|
|
|
$MDays = $Days % $LunarCycle
|
|
$PhaseIndex = [int]($MDays * (8.0 / $LunarCycle))
|
|
|
|
$Visibility = [math]::Round((($Days % $LunarHalfCycle) * 100) / $LunarHalfCycle)
|
|
$Reply = "$($Phases[$PhaseIndex]) with $($Visibility)% visibility"
|
|
|
|
$MoonAge = [math]::Round($Days % $LunarCycle)
|
|
if ($MoonAge -eq "0") { $Reply += " today"
|
|
} elseif ($MoonAge -eq "1") { $Reply += " since yesterday"
|
|
} else { $Reply += ", last new moon was $MoonAge days ago"
|
|
}
|
|
|
|
& "$PSScriptRoot/speak-english.ps1" "$Reply"
|
|
exit 0 # success
|
|
} catch {
|
|
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
|
|
exit 1
|
|
}
|
|
```
|
|
|
|
*(generated by convert-ps2md.ps1 as of 11/20/2024 11:51:51)*
|