# Reads xml file of persons with name, age and siblings
# Outputs each person + siblings as text
# Tested with PS v5.1
# November 2018, Countryen
# ==================

# Configuration
$CFG = @{
  CRLF = [Environment]::NewLine
  InputPath = ".\data.xml"
  OutputPath = ".\data.txt"
}

# Read content of file, convert to XML
$xml = [Xml](Get-Content $CFG.InputPath)

# Find all elements (sequence)
$elements = $xml.Root.Person

# Filter (many elements
$result = $elements | % { $_.Name, "----", ($_.Siblings.Sibling | % { "> " +  $_.Name }), $CFG.CRLF }

# Output result to file
$result | Out-File $CFG.OutputPath

### Example Output:
# Mike
# -----
# > June
# > July
#
# Christian
# >
#

### Example XML:
# <Root>
#  <Person>
#   <Name>Mike</Name>
#   <Age>22</Age>
#   <Siblings>
#    <Sibling>
#     <Name>June</Name>
#    </Sibling>
#    <Sibling>
#     <Name>July</Name>
#    </Sibling>
#   </Siblings>
#  </Person>
#  <Person>
#   <Name>Christian</Name>
#   <Age>16</Age>
#  </Person>
# </Root>