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          #!/usr/bin/env bash | 
        
        
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          # Grab all free PDF files from goalkicker.com | 
        
        
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          # Using curl and ripgrep (rg) for: `curl goalkicker.com | rg  'regex'` | 
        
        
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          # I was able to find the urls for the pdfs. | 
        
        
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          DOMAIN_URL=goalkicker.com | 
        
        
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          PDF_URL=( | 
        
        
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            "$DOMAIN_URL/DotNETFrameworkBook/DotNETFrameworkNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/AlgorithmsBook/AlgorithmsNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/AndroidBook/AndroidNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/Angular2Book/Angular2NotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/AngularJSBook/AngularJSNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/BashBook/BashNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/CBook/CNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/CPlusPlusBook/CPlusPlusNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/CSharpBook/CSharpNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/CSSBook/CSSNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/EntityFrameworkBook/EntityFrameworkNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/ExcelVBABook/ExcelVBANotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/GitBook/GitNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/HaskellBook/HaskellNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/HibernateBook/HibernateNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/HTML5Book/HTML5NotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/HTML5CanvasBook/HTML5CanvasNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/iOSBook/iOSNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/JavaBook/JavaNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/JavaScriptBook/JavaScriptNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/jQueryBook/jQueryNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/KotlinBook/KotlinNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/LaTeXBook/LaTeXNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/LinuxBook/LinuxNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/MATLABBook/MATLABNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/MicrosoftSQLServerBook/MicrosoftSQLServerNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/MongoDBBook/MongoDBNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/MySQLBook/MySQLNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/NodeJSBook/NodeJSNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/ObjectiveCBook/ObjectiveCNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/OracleDatabaseBook/OracleDatabaseNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/PerlBook/PerlNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/PHPBook/PHPNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/PostgreSQLBook/PostgreSQLNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/PowerShellBook/PowerShellNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/PythonBook/PythonNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/RBook/RNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/ReactJSBook/ReactJSNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/ReactNativeBook/ReactNativeNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/RubyBook/RubyNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/RubyOnRailsBook/RubyOnRailsNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/SpringFrameworkBook/SpringFrameworkNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/SQLBook/SQLNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/SwiftBook/SwiftNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/TypeScriptBook2/TypeScriptNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/VBABook/VBANotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/VisualBasic_NETBook/VisualBasic_NETNotesForProfessionals.pdf" | 
        
        
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            "$DOMAIN_URL/XamarinFormsBook/XamarinFormsNotesForProfessionals.pdf" | 
        
        
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          ) | 
        
        
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          # wget download the pdfs | 
        
        
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          wget "${PDF_URL[@]}" | 
        
        
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 | 
        
        
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          exit 0 |