PowerShell/Docs/play-m3u.md
2022-12-04 10:40:18 +01:00

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## The *play-m3u.ps1* Script
This PowerShell script plays the given playlist (in .M3U file format)
## Parameters
```powershell
play-m3u.ps1 [[-filename] <String>] [<CommonParameters>]
-filename <String>
Specifies the path to the playlist
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> ./play-m3u C:\MyPlaylist.m3u
```
## Notes
Author: Markus Fleschutz | License: CC0
## Related Links
https://github.com/fleschutz/PowerShell
## Source Code
```powershell
<#
.SYNOPSIS
Plays a playlist (.M3U format)
.DESCRIPTION
This PowerShell script plays the given playlist (in .M3U file format)
.PARAMETER filename
Specifies the path to the playlist
.EXAMPLE
PS> ./play-m3u C:\MyPlaylist.m3u
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
param([string]$filename = "")
try {
if ($filename -eq "" ) { $filename = read-host "Enter the M3U playlist filename" }
if (-not(test-path "$filename" -pathType leaf)) { throw "Can't access playlist file: $filename" }
$Lines = get-content $filename
add-type -assemblyName presentationCore
$MediaPlayer = new-object system.windows.media.mediaplayer
for ([int]$i=0; $i -lt $Lines.Count; $i++) {
$Line = $Lines[$i]
if ($Line[0] -eq "#") { continue }
if (-not(test-path "$Line" -pathType leaf)) { throw "Can't access audio file: $Line" }
$FullPath = (get-childItem "$Line").fullname
$filename = (get-item "$FullPath").name
do {
$MediaPlayer.open("$FullPath")
$Milliseconds = $MediaPlayer.NaturalDuration.TimeSpan.TotalMilliseconds
} until ($Milliseconds)
[int]$Minutes = $Milliseconds / 60000
[int]$Seconds = ($Milliseconds / 1000) % 60
"▶Playing 🎵$filename ($($Minutes.ToString('00')):$($Seconds.ToString('00'))) ..."
$MediaPlayer.Volume = 1
$MediaPlayer.play()
start-sleep -milliseconds $Milliseconds
$MediaPlayer.stop()
$MediaPlayer.close()
}
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}
```
*Generated by convert-ps2md.ps1 using the comment-based help of play-m3u.ps1*