Learned in the past helps me

Self retrospective and what to learn

Transcript

1. Learned in the past
   helps me
   @wtnabe
   Kanazawa.rb meetup #18
   2014-02-15 (Sat) at IT Plaza MUSASHI
   

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2. My Skills
   

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3. Recently
   Full-Stack Web Engineer
   from application env to front-end
   Certified Ruby Gold Programmer
   Ruby on Rails / PHP / JavaScript
   TDD and Continuous Integration
   

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4. Old
   Unix Sysadmin
   Web Development with LL
   Workflow Automation with LL
   

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5. Very Old
   Text and Data processing with Unix-tools
   

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6. Unix
   

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7. as my Lifeline
   

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8. Unix Philosophy
   

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9. Basics
   Small / Simple
   Do one thing
   Text file
   Filter
   cf. http://en.wikipedia.org/wiki/Unix_philosophy
   

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10. Tools
    Un*x have MANY commands
    Each command DO ONE THING well
    You can combine them as FILTER
    

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11. Learned tools in the past
    df ( disk )
    ls, find, du ( file and directory )
    diff, patch
    expand, unexpand ( tab code )
    cat, split, wc
    

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12. Learned tools in the past
    sort, uniq, head, tail
    grep, awk
    cal
    

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13. Especially, Tools for
    Text Processing
    sort, uniq, head, tail, awk
    

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14. Text Processing
    

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15. Basics
    Search
    Replace
    Count
    Split and Concatenate
    Sort
    

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16. Regular Expression
    -- Search --
    Many different REs
    but Majors are POSIX Extended and
    PCRE
    

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17. AWK
    -- Processing --
    Filter-oriented Programming Language
    C-like and Shell-like Syntax
    Specialized for stdin / stdout
    

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18. Text Processing
    Most Internet Protocols depend on Text
    born from Unix platform
    Web Development as Text Processing
    

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19. Demo
    

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20. Learned lately
    tree, xargs, rlwrap, highlight, colordiff, kramdown, docutils, nkf, git,
    tig, irb, emacs, earthquake, gyunyu, mksgal, bundler, cheat, gisty,
    guard, node.js(npm)
    

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21. Conclusion
    

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22. What helps me ?
    Unix Philosophy
    Unix Platforms and Tools
    Basic Text Processing
    

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23. Recommends
    Small / Simple ( a.k.a. KISS )
    Learn Tools and Philosophy that are
    Maturing and Sustaining
    Keep learning and enjoying !!
    

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