Intro to Scripting

1. What is Scripting & Why learn?

   • Files that tell a computer what to do in order
   • Programing
   • Automate common tasks
     • file rename
     • image processing

2. How do you script?

   • Most programming languages can be used
   • Ruby, Python, Js in Node, PHP, Bash/Shell/Batch, whatever

3. Introduction to the Terminal

   • File navigation (cd, ls/dir .., /)
   • Not covered: installing the languages.
     • py: https://www.python.org/download/
     • rb: https://www.ruby-lang.org/en/installation/
     • node: http://nodejs.org/download/

4. Writing a basic script

   • Using a text editor
   • runme.py

5. Running files

   • ruby file.rb
   • node file.js
   • python file.py

6. Running a basic script

   • Renaming a file (renamer.rb)
   • Rename one file (then undo that)

7. Intro to Variables

   • (comment out old stuff)
   • Storing information
   • Rename with a variable (and then undo)

8. Intro to arrays

   • Iterating
   • Accessing Indexes
   • Difference from Hash/Dictionary/Object
   • Rename with arguments passed from the command line

9. Extensibility

   • Node modules, Ruby Gems

10. Getting Help

    • Docs
      • Ruby: http://www.ruby-doc.org/
      • node: http://nodejs.org/api/
      • python: https://docs.python.org/2/
    • Stack Overflow: http://stackoverflow.com/

11. Conclusion

    • Scheduling scripts
    • Other uses of scripts
      • opening, reading, modifying files
      • scraping web pages
      • calling other scripts