Powershell - Join-Path to join paths

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Hello,

Join-Path allows parent and child paths to be combined (Powershell 5.1), and more with Powershell 7 thanks to the -AdditionalChildPath argument.
It also allows you to set the appropriate / (Linux) or \ (Windows) separator depending on the environment.

# Join 2 paths
Join-Path -Path $env:ProgramFiles -ChildPath "Microsoft Office"

# Automatic management of double separators
Join-Path -Path c:\ -ChildPath "\Windows"

# Test the existence of the path
Join-Path -Path $env:ProgramFiles -ChildPath "Windows2" -Resolve
Join-Path -Path $env:ProgramFiles -ChildPath "Windows2"

# Test the existence of the path with a wildcard character
Join-Path -Path C:\win* -ChildPath System* -Resolve
join-path -Path C:\win*  -ChildPath *.log -Resolve
# The commandlet lists the existing paths matching the criteria

# Generate the same path for several players (the player must exist)
Join-Path -Path C:, hklm: -Path  test

# Join more than 2 items (Powershell 6 and above only)
Join-Path -Path a -ChildPath b -AdditionalChildPath c,d,e,f,g