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 : 1.300.2025 ################################################################################ Copyright (c) René Vaessen / GenXdev Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. ################################################################################> ############################################################################### <# .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 } } } ################################################################################ } |