Functions/GenXdev.Queries.Webbrowser/Copy-PDFsFromGoogleQuery.ps1
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Part of PowerShell module : GenXdev.Queries.Webbrowser Original cmdlet filename : Copy-PDFsFromGoogleQuery.ps1 Original author : René Vaessen / GenXdev Version : 1.270.2025 ################################################################################ MIT License Copyright 2021-2025 GenXdev Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ################################################################################> ############################################################################### <# .SYNOPSIS Downloads PDF files found through Google search results. .DESCRIPTION Performs a Google query in the previously selected webbrowser tab and downloads all found PDF files into the current directory. Supports multiple queries and language filtering. .PARAMETER Queries The search terms to query Google for PDF files. .PARAMETER Max Maximum number of results to retrieve (default: 200). .PARAMETER Language Optional language filter for search results. .EXAMPLE Open-Webbrowser Select-WebbrowserTab $null = New-Item -ItemType Directory -Name pdfs Set-Location pdfs Copy-PDFsFromGoogleQuery "scientific paper co2" -Max 50 -Language "English" #> function Copy-PDFsFromGoogleQuery { [CmdletBinding()] param( ######################################################################## [parameter( Mandatory = $true, Position = 0, ValueFromRemainingArguments = $false, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true, HelpMessage = 'The search terms to query Google for PDF files' )] [Alias('q', 'Name', 'Text', 'Query')] [string[]] $Queries, ######################################################################## [parameter( Mandatory = $false, Position = 1, HelpMessage = 'Maximum number of results to retrieve (default: 200)' )] [int] $Max = 200, ######################################################################## [parameter( Mandatory = $false, Position = 2, HelpMessage = 'Optional language filter for search results' )] [ValidateSet( 'Afrikaans', 'Akan', 'Albanian', 'Amharic', 'Arabic', 'Armenian', 'Azerbaijani', 'Basque', 'Belarusian', 'Bemba', 'Bengali', 'Bihari', 'Bork, bork, bork!', 'Bosnian', 'Breton', 'Bulgarian', 'Cambodian', 'Catalan', 'Cherokee', 'Chichewa', 'Chinese (Simplified)', 'Chinese (Traditional)', 'Corsican', 'Croatian', 'Czech', 'Danish', 'Dutch', 'Elmer Fudd', 'English', 'Esperanto', 'Estonian', 'Ewe', 'Faroese', 'Filipino', 'Finnish', 'French', 'Frisian', 'Ga', 'Galician', 'Georgian', 'German', 'Greek', 'Guarani', 'Gujarati', 'Hacker', 'Haitian Creole', 'Hausa', 'Hawaiian', 'Hebrew', 'Hindi', 'Hungarian', 'Icelandic', 'Igbo', 'Indonesian', 'Interlingua', 'Irish', 'Italian', 'Japanese', 'Javanese', 'Kannada', 'Kazakh', 'Kinyarwanda', 'Kirundi', 'Klingon', 'Kongo', 'Korean', 'Krio (Sierra Leone)', 'Kurdish', 'Kurdish (Soranî)', 'Kyrgyz', 'Laothian', 'Latin', 'Latvian', 'Lingala', 'Lithuanian', 'Lozi', 'Luganda', 'Luo', 'Macedonian', 'Malagasy', 'Malay', 'Malayalam', 'Maltese', 'Maori', 'Marathi', 'Mauritian Creole', 'Moldavian', 'Mongolian', 'Montenegrin', 'Nepali', 'Nigerian Pidgin', 'Northern Sotho', 'Norwegian', 'Norwegian (Nynorsk)', 'Occitan', 'Oriya', 'Oromo', 'Pashto', 'Persian', 'Pirate', 'Polish', 'Portuguese (Brazil)', 'Portuguese (Portugal)', 'Punjabi', 'Quechua', 'Romanian', 'Romansh', 'Runyakitara', 'Russian', 'Scots Gaelic', 'Serbian', 'Serbo-Croatian', 'Sesotho', 'Setswana', 'Seychellois Creole', 'Shona', 'Sindhi', 'Sinhalese', 'Slovak', 'Slovenian', 'Somali', 'Spanish', 'Spanish (Latin American)', 'Sundanese', 'Swahili', 'Swedish', 'Tajik', 'Tamil', 'Tatar', 'Telugu', 'Thai', 'Tigrinya', 'Tonga', 'Tshiluba', 'Tumbuka', 'Turkish', 'Turkmen', 'Twi', 'Uighur', 'Ukrainian', 'Urdu', 'Uzbek', 'Vietnamese', 'Welsh', 'Wolof', 'Xhosa', 'Yiddish', 'Yoruba', 'Zulu' )] [string] $Language ######################################################################## ) process { foreach ($query in $Queries) { Microsoft.PowerShell.Utility\Write-Verbose "Processing query: $query with language: $($Language ?? 'default')" # construct search query with pdf filter $searchQuery = "filetype:pdf $query" Microsoft.PowerShell.Utility\Write-Verbose "Using search query: $searchQuery" # get search results using the fully qualified GenXdev.Queries\Get-GoogleSearchResultUrls $urls = GenXdev.Queries\Get-GoogleSearchResultUrls -Queries $searchQuery -Max $Max -Language $Language Microsoft.PowerShell.Utility\Write-Verbose "Found $($urls.Count) PDF URLs to process" Microsoft.PowerShell.Utility\Write-Verbose 'Starting parallel download with throttle limit: 64' # process urls in parallel $urls | Microsoft.PowerShell.Core\ForEach-Object -ThrottleLimit 64 -Parallel { try { Microsoft.PowerShell.Utility\Write-Verbose "Processing URL: $PSItem" # construct safe filename $safeName = [Uri]::UnescapeDataString( [IO.Path]::GetFileName($PSItem) ).Split('#')[0].Split('?')[0] $safeName = $safeName -replace '[\\/:*?"<>|\s]', '_' Microsoft.PowerShell.Utility\Write-Verbose "Sanitized filename: $safeName" # create unique filename $destination = Microsoft.PowerShell.Management\Join-Path $using:PWD ( '{0}_{1}_{2}.pdf' -f $safeName, [DateTime]::UtcNow.Ticks, [Threading.Thread]::CurrentThread.ManagedThreadId ) Microsoft.PowerShell.Utility\Write-Verbose "Downloading to: $destination" # download pdf $response = Microsoft.PowerShell.Utility\Invoke-WebRequest -Uri $PSItem -OutFile $destination Microsoft.PowerShell.Utility\Write-Verbose "Download completed: $($response.StatusCode) - $($response.StatusDescription)" $fileInfo = Microsoft.PowerShell.Management\Get-Item -LiteralPath $destination Microsoft.PowerShell.Utility\Write-Verbose "Saved file: $($fileInfo.FullName) ($($fileInfo.Length) bytes)" $fileInfo } catch { Microsoft.PowerShell.Utility\Write-Warning "Failed to download: $PSItem. Error: $($_.Exception.Message)" } } Microsoft.PowerShell.Management\Get-ChildItem -LiteralPath .\ -filter "*.pdf" | Microsoft.PowerShell.Core\ForEach-Object { $newName = [System.Text.RegularExpressions.Regex]::Replace(($_.Name), '\.pdf_\d*_\d*\.pdf', '.pdf') if ($newName -eq $_.Name) { return } if ([IO.File]::Exists((GenXdev.FileSystem\Expand-Path ".\\$newName"))) { $null = Microsoft.PowerShell.Management\Remove-Item -LiteralPath $_.FullName -Force return; } $null = Microsoft.PowerShell.Management\Rename-Item -LiteralPath $_ $newName -Force } } } ################################################################################ } |