#@&cls&powershell "type %~s0|out-string|iex"&pause&exit
$a=@{}
gc '123.txt'|%{$a[$_.split('_')[1].length]+=@($_)}
sc '123-1.txt' $($a.keys|sort{[int]$_}|%{$a[$_]|sort -desc{$_.split('_')[1]}})
sc '123-a.txt' $($a.keys|%{$a[$_]|sort{$_.split('_')[1]}})
sc '123-z.txt' $($a.keys|sort -desc{[int]$_}|%{$a[$_]|sort -desc{$_.split('_')[1]}})
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<#*,:&cls
@echo off
cd /d "%~dp0"
powershell -C "Set-Location -LiteralPath ([Environment]::CurrentDirectory);. ([ScriptBlock]::Create((Get-Content -LiteralPath \"%~f0\" -ReadCount 0 | Out-String)))"
pause
exit /b
#>

$arrFiles = "123.txt", "23.txt", "3000.txt"
foreach ($itemFile in $arrFiles) {
  try {
    $basename = [system.io.path]::GetFileNameWithoutExtension($itemFile)
    $ext = [System.IO.Path]::GetExtension($itemFile)
    $psoList = (Get-Content -ReadCount 0 -LiteralPath $itemFile -ErrorAction Stop) | Select-Object -Property @{
      Name       = 'Line'
      Expression = { $_ }
    }, @{
      Name       = 'Field2'
      Expression = { ($_ -split '_')[1] }
    }
    $psoList | Sort-Object -Property @{
      Expression = {
        $_.Field2.Length
      }
      Ascending  = $true
    }, @{
      Expression = {
        $_.Field2
      }
      Ascending  = $false
    } | Select-Object -ExpandProperty Line | Set-Content -LiteralPath "${basename}-1${ext}"
    $psoList | Sort-Object -Property @{
      Expression = {
        $_.Field2.Length
      }
      Ascending  = $false
    }, @{
      Expression = {
        $_.Field2
      }
      Ascending  = $true
    } | Select-Object -ExpandProperty Line | Set-Content -LiteralPath "${basename}-a${ext}"
    $psoList | Sort-Object -Property @{
      Expression = {
        $_.Field2.Length
      }
      Ascending  = $false
    }, @{
      Expression = {
        $_.Field2
      }
      Ascending  = $false
    } | Select-Object -ExpandProperty Line | Set-Content -LiteralPath "${basename}-z${ext}"

  } catch {}
}
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