<#*,:&cls
@echo off
cd /d "%~dp0"
powershell -NoProfile -ExecutionPolicy RemoteSigned -Command ". ([ScriptBlock]::Create((Get-Content -LiteralPath \"%~0\" -ReadCount 0 | Out-String ))) "
pause
exit /b
#>
# 功能:百度学术记录关键词搜索结果的数量.

# 关键词文件
$srcfile = "words.txt"
# 结果文件
$outfile = "words_out.txt"
# 百度学术
$urlbase = "https://xueshu.baidu.com/s?wd={0}"

$renums = [regex]"找到约(.*)条相关结果"
try {
  $proc = Start-Process -FilePath "iexplore.exe" -ArgumentList "-embedding" -PassThru
  [void]$proc.WaitForInputIdle()
} catch {
  $_ | Write-Host -ForegroundColor Red
} finally {
  $proc.Dispose()
}
$shellApp = New-Object -ComObject Shell.Application
while ($true) {
  $ie = $shellApp.Windows() | Where-Object { $_.FullName -like "*\Internet Explorer\iexplore.exe" -and [string]::IsNullOrEmpty($_.LocationURL) }
  if ($null -ne $ie) {
    break
  }
  Start-Sleep -Milliseconds 200
}
Get-Content -Path $srcfile | ForEach-Object {
  try {
    Write-Host $_ -ForegroundColor Yellow
    $uri = New-Object System.Uri -ArgumentList @(($urlbase -f $_))
    $ie.Navigate($uri.AbsoluteUri)
    while ($ie.Busy) {
      Start-Sleep -Milliseconds 100
    }
    $pso = '' | Select-Object -Property Keyword, ResultCount
    $pso.Keyword = $_
    $node_toolbar = $ie.document.getElementById("toolbar")
    $m = $renums.Match($node_toolbar.innerText)
    if ($m.Success) {
      $pso.ResultCount = [long]$m.Groups[1].Value
    }
    $pso
  } catch {
    
  }
} | Format-Table -AutoSize | Out-File -FilePath $outfile -Encoding utf8
$ie.Quit()
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