%q is for Quine

Transcript

1. 2VJOFجຊจܕͷಡΈॱ
   %q is for Quine
   !LPJD
   

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2. w ௒ઈٕ޼ϓϩάϥϛϯά΁ͷ໳
   w ଏੈͷརӹͱؔ܎ͷͳ͍͸ͳ͠
   ࠓ೔ͷ͸ͳ͠
   

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3. 53*$,࡞඼ΑΓ
   ࢲͷ޷͖ͳٕ޼࡞඼
   $ruby.is_a?(Object){|oriented| language}
   IUUQTHJUIVCDPNUSJDUSJDLCMPCNBTUFSVOBLFOUSZSC
   VTBL࡞
   

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4. 53*$,ۚ৆
   ௒ઈٕ޼࡞඼
   UPNQOH࡞
   IUUQTUXJUUFSDPNUPNQOHTUBUVT
   

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5. 3VCZ,BJHJͷ
   ห౰εϙϯαʔΑΓ
   &4. *ODͷΞεΩʔΞʔτ࡞඼
   GLJOP࡞
   IUUQTHJTUHJUIVCDPNGLJOPDFCFFBFBBBBGDFpMFFTN@CFOUPSC
   w FWBM X
   
   ͱ͍͏ఆੴ͕࢖ΘΕ͍ͯΔ
   w ͜͏͍ٕͬͨ޼ͷجૅΛֶ΂Δॻ੶͸͋Δʁ
   

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6. ٕज़ධ࿦ࣾ
   

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7. w ιϑτ΢ΣΞ։ൃͷϓϩΛ໨ࢦͨ͢Ί
   ͷॻ੶Ͱ͸ͳ͍
   w ϓϩάϥϛϯάͷ࣮༻ੑͱ͍͏ࡶ೦Λ
   ๨ΕΔ͜ͱͰɺϓϩάϥϛϯάຊདྷͷ
   ָ͠͞Λ࠶ൃݟ͢Δ͖͔͚ͬʹͳΔ
   w ஶऀͷ3VCZίϛολʔNBNF͞Μ͸
   8PSME/P*0$$$1MBZFS
   ͋ͳͨͷ஌Βͳ͍௒ઈٕ޼ϓϩάϥϛϯάͷੈք
   

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8. Ͱ͖Δ͚ͩฏқʹ
   Ͱ͖Δ͚ͩ೉ղʹ
   ࣮༻తʹ
   ඇ࣮༻తʹ
   ௒ઈٕ޼ϓϩάϥϛϯά
   ͓࢓ࣄͷϓϩάϥϛϯά
   ͋ͳͨͷ஌Βͳ͍௒ઈٕ޼ϓϩάϥϛϯάͷੈք
   

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9. 2VJOF
   

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10. w ࣗ෼ࣗ਎ΛධՁͯ͠ɺࣗ෼ࣗ਎Λग़ྗ͢Δ
    ϓϩάϥϜͰ͢
    2VJOFͱ͸ʁ
    % ruby -e 'eval s=%q(puts %(eval s=%q(#{s})))'
    eval s=%q(puts %(eval s=%q(#{s})))
    

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11. ࠓճ୊ࡐͱ͢Δجຊจܕ
    eval s=%q(puts %(eval s=%q(#{s})))
    

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12. lͲͷΑ͏ʹಈ͔͘ɺ
    ߟ͑ͯΈ͍ͯͩ͘͞
    IUUQTUXJUUFSDPNNPSJNPSJIPHFTUBUVT
    ʰ͋ͳͨͷ஌Βͳ͍௒ઈٕ޼ϓϩάϥϛϯάͷੈքʱQΑΓ
    ʰͲ͏ॻ͘ʱͳΒ͵ʰͲ͏ಡΉʱͱ͍ͬͨײ͡Ͱɺ
    ͍ͪಡऀͱͯ͠ߟ͑ͯΈ·ͨ͠
    

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13. FWBMͷલʹҾ਺ͷ୅ೖ͕ߦΘΕ·͢
    ࠷ॳͷΩʔϙΠϯτ
    eval s=%q(puts %(eval s=%q(#{s})))
    

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14. ୅ೖ͞Ε͍ͯΔͷ͸Rͱ͍͏γϯάϧΫΥʔτ૬౰ͷૉ
    ๿ͳจࣈྻϦςϥϧͰ͢ɻ͜͜Ͱจࣈྻʹࣜల։͕ॻ͔Ε
    ͍ͯ·͕͢ɺγϯάϧΫΥʔτͳͷͰࣜల։͞Εͣɺͦͷ
    ··ͷจࣈྻͱͯ͠ѻΘΕ·͢ɻ
    ೉͍͠ͷ͸จࣈྻ
    eval s=%q(puts %(eval s=%q(#{s})))
    

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15. ه๏Λ
    ಡΈସ͑Δ
    IUUQTUXJUUFSDPNNPSJNPSJIPHFTUBUVT
    ௒ઈٕ޼ϓϩάϥϚʔޚ༻ୡͬΆ͍
    ه๏Λ
    Α͘ݟΔޓ׵ΫΥʔτʹಡΈସ͑ͯΈ·͠ΐ͏
    RJTGPS2VJOF
    

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16. ͔͜͜Βه๏׳Ε͍ͯ͠ͳ͍ਓͷͨΊศٓతʹɺ͜ͷ
    จࣈྻΛಉٛͷΫΥʔτه๏ͰಡΈସ͑ͯΈ·͠ΐ͏ɻ
    ·ͣҰ൪֎ଆͷRه๏ΛγϯάϧΫΥʔτʹ͠·͢ɻ
    RͷಡΈସ͑
    -eval s=%q(puts %(eval s=%q(#{s})))
    +eval s='puts %(eval s=%q(#{s}))'
    গ͠ಡΈ΍͘͢ͳͬͨʁ
    

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17. ه๏ΛμϒϧΫΥʔτʹ͠·͢ɻ
    ه๏ͷಡΈସ͑
    -eval s='puts %(eval s=%q(#{s}))'
    +eval s='puts "eval s=%q(#{s})"'
    ΋͏গ͠ಡΈ΍͘͢ͳͬͨʁ
    

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18. ΤεέʔϓͰಡΈͮΒ͘ͳΔͷͰ͕͢ɺ಺ଆ
    ͷR΋γϯάϧΫΥʔτʹஔ͖׵͑·͢ɻ
    RͷಡΈସ͑
    -eval s='puts "eval s=%q(#{s})"'
    +eval s='puts "eval s=\'#{s}\'"'
    
    ͸͍ͭ͘ॏͶͯ΋ΤεέʔϓෆཁͳͨΊ
    ௒ઈٕ޼ϓϩάϥϚʔޚ༻ୡΒ͍͠
    

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19. શମͱͯ͠͸γϯάϧΫΥʔτͰғ·Εͨɺࣜల
    ։ΛධՁ͠ͳ͍ͨͩͷจࣈྻͰ͢ɻ܁Γฦ͠ʹͳ
    Γ·͕͢ɺ͜ͷஈ֊Ͱ͸\T^͸ධՁ͞Ε·ͤΜɻ
    ಡΈସ͑ͨ͠จࣈྻΛݟͯΈ·͠ΐ͏
    eval s='puts "eval s=\'#{s}\'"'
    

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20. ͜͜ͰϩʔΧϧม਺Tʹ͸γϯάϧΫΥʔτ
    Ϧςϥϧͷจࣈྻ͕୅ೖ͞Ε·͢ɻ
    2VJOFͷશମ૾ʹ໭͍͖ͬͯ·͠ΐ͏
    eval s='puts "eval s=\'#{s}\'"'
    

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21. ୅ೖޙʹFWBMʹ୅ೖͨ͠จࣈྻΛධՁ͠·
    ͢ɻͳ͓͜ͷ࣌఺ͰϩʔΧϧม਺Tʹ͸จࣈ
    ྻ͕୅ೖ͞Ε͍ͯ·͢ɻ
    Ҿ਺ΛFWBMͰධՁ͢Δ
    eval s='puts "eval s=\'#{s}\'"'
    

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22. FWBM͞ΕΔ಺༰ͱͯ͠ɺ͜͜·Ͱݟ͖ͯͨจ
    ࣈྻΛจʹͯ͠ݟͯΈ·͠ΐ͏ɻ
    FWBMͰධՁ͞ΕΔจ
    eval s='puts "eval s=\'#{s}\'"'
    

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23. QVUT͢Δ಺༰͸͜͜ͰධՁ͞ΕΔμϒϧ
    ΫΥʔτจࣈྻͰ͢ɻ
    ͯࣜ͞ల։\T^ʹೖΔ஋͸ʁ
    ඪ४ग़ྗ͢Δจࣈྻͷ૊Έཱͯ
    eval s='puts "eval s=\'#{s}\'"'
    

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24. μϒϧΫΥʔτ͸ࣜల։͞ΕΔͷͰɺ\T^ʹ͸FWBMධ
    Ձલʹจࣈྻ୅ೖ͍ͯ͠ΔϩʔΧϧม਺T͕ల։͞Ε·
    ͢ɻϩʔΧϧม਺Tʹೖ͍ͬͯΔจࣈྻΛ࠶ܝ͠·͢ɻ
    ϩʔΧϧม਺Tͷจࣈྻ͸ίϨ
    eval s='puts "eval s=\'#{s}\'"'
    

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25. ͜ͷจࣈྻΛࣜల։ʹೖΕͯΈ·͠ΐ͏ɻ
    ˞ͨͩ͠μϒϧΫΥʔτจࣈྻ΁ͷΤεέʔϓ͕ෆ
    ଍͍ͯ͠Δ͜ͷίʔυ͸ಈ͖·ͤΜɻ࣍ϖʔδͰ
    ϩʔΧϧม਺TʹΑΔࣜల։
    -"eval s=\'#{s}\'"
    +"eval s=\'puts "eval s=\'#{s}\'"\'"
    

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26. ࣜͷల։ޙͳͷͰɺҙຯ߹͍తʹγϯάϧ
    ΫΥʔτʹஔ͖׵͑·͢ɻ
    ϩʔΧϧม਺TʹΑΔࣜల։
    -"eval s=\'puts "eval s=\'#{s}\'"\'"
    +'eval s=\'puts "eval s=\'#{s}\'"\''
    

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27. ϓϩάϥϜࣗ਎Λ࠶ؼతʹग़ྗ͍ͯ͠Δ͜ͱ͕Θ͔Γ·͢ɻ࣍
    ϖʔδ͔ΒɺศٓతʹΫΥʔτஔ׵͍ͯͨ͠෦෼Λɺຊདྷͷ
    ه๏ʹ໭͠·͠ΐ͏ɻ
    QVUTग़ྗ͞ΕΔจࣈྻͷݪܕ
    puts 'eval s=\'puts "eval s=\'#{s}\'"\''
    

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28. ·ͣ͸಺ଆͷγϯάϧΫΥʔτΛRʹ͠·
    ͢ɻ
    ಡΈସ͑ΛRʹ໭͢
    -"eval s=\'puts "eval s=\'#{s}\'"\'"
    +"eval s=\'puts "eval s=%q(#{s})"\'"
    

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29. ࣍ʹμϒϧΫΥʔτΛه๏ʹ͠·͢ɻ
    ಡΈସ͑Λه๏ʹ໭͢
    -"eval s=\'puts "eval s=%q(#{s})"\'"
    +"eval s=\'puts %(eval s=%q(#{s}))\'"
    

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30. ࠷ޙʹ֎ଆͷγϯάϧΫΥʔτΛRʹ͠·͢ɻ
    ه๏͸͍ͭ͘ॏͶͯ΋όοΫεϥογϡෆཁͱ͍͏
    ͜ͱͰɺ2VJOFͷΠσΟΦϜͱͳ͍ͬͯΔΑ͏Ͱ͢ɻ
    ಡΈସ͑ΛRʹ໭͢
    -"eval s=\'puts %(eval s=%q(#{s}))\'"
    +"eval s=%q(puts %(eval s=%q(#{s})))"
    େࣄͳ͜ͱͳͷͰ΋͏Ұ౓
    

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31. ୊ࡐͷ2VJOFΛ࠶ܝ
    eval s=%q(puts %(eval s=%q(#{s})))
    2VJOFͷίʔυϦʔςΟϯά͕Ұप͠·ͨ͠ɻ
    ධՁ͞ΕΔಡΈॱͰ໨͕ಈ͘Α͏ʹͳΓ·͔ͨ͠ʁ
    લϖʔδ·Ͱݟ͖ͯͨจࣈྻ͸࠷ॳʹݟͨ
    2VJOFͦͷ΋ͷͰ͢ɻ
    

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32. w SVCZίϚϯυΛ࣮ߦͯ͠ɺ୊ࡐͷجຊจ
    ܕΛ࣮ߦͯ͠Έ·͠ΐ͏ɻ
    2VJOFͷ࣮ߦ
    % ruby -e 'eval s=%q(puts %(eval s=%q(#{s})))'
    eval s=%q(puts %(eval s=%q(#{s})))
    

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33. w ࣗ෼ࣗ਎ͷग़ྗΛ࠶౓ධՁͨ݁͠Ռ΋ࣗ෼
    ࣗ਎Ͱ͢
    2VJOFͷ࣮ߦ
    % ruby -e 'eval s=%q(puts %(eval s=%q(#{s})))' \
    | ruby
    eval s=%q(puts %(eval s=%q(#{s})))
    

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34. w ࣗ෼ࣗ਎ͷग़ྗΛ࠶ʑ౓ධՁͨ݁͠Ռ΋ࣗ
    ෼ࣗ਎Ͱ͢
    2VJOFͷ࣮ߦ
    % ruby -e 'eval s=%q(puts %(eval s=%q(#{s})))' \
    | ruby | ruby
    eval s=%q(puts %(eval s=%q(#{s})))
    

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35. w ࣗ෼ࣗ਎ͷग़ྗΛ࠶ʑʑ౓ධՁͨ݁͠Ռ΋
    ࣗ෼ࣗ਎Ͱ͢
    2VJOFͷ࣮ߦ
    % ruby -e 'eval s=%q(puts %(eval s=%q(#{s})))' \
    | ruby | ruby | ruby
    eval s=%q(puts %(eval s=%q(#{s})))
    

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36. ࠓճ୊ࡐͱͨ͠جຊจܕ
    eval s=%q(puts %(eval s=%q(#{s})))
    ͜ͷ2VJOFͷઆ໌͸͜͜·ͰͰ͢
    

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37. Կͷ໾ʹ΋ཱͨͳ͍
    ϓϩάϥϜΛָ͠ΉจԽ
    IUUQTXXXZPVUVCFDPNXBUDI W5#ON((VV
    

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38. l
    ੒ख़ͨ͠จԽɺྫ͑͹ԻָͰ΋ָේΛٯ͞ʹͯ͠
    ΋஄͘͜ͱ͕Ͱ͖ΔԻָͱ͔ͦ͏͍͏΋ͷ͕͋ͬ
    ͯɺ தུ
    ੒ख़ͨ͠จԽʹ͸͜͏͍͓ͬͨ༡ͼ
    ͕ൃల͍ͯͯ͠ɺϓϩάϥϛϯάͱ͍͏෼໺΋
    ੒ख़ͨ͠จԽʹͳ͍ͬͯΔͱ͍͑ΔΜͰ͔͢Ͷ
    !LJOBCB
    

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39. w ஶऀͷԕ౻ NBNF
    ͞Μ͸
    8PSME/P*0$$$1MBZFS
    w ୭͕ॻ͍ͨॻ੶ɺॏཁ
    w ਺ʑͷٕ޼͕঺հ͞Ε͍ͯΔ
    w ϓϩάϥϛϯάͷਂ෵΍७ਮͳ
    ָ͠͞Λࢥ͍ฦ͖͔͚ͬ͢ʹͳ
    Δ͔΋
    ͋ͳͨͷ஌Βͳ͍௒ઈٕ޼ϓϩάϥϛϯάͷੈք
    

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40. % cat esm_bento.rb | tee /dev/stderr | ruby | grep --color .
    eval(
    %w( put
    s(([ 2*7,
    2*31 ,1,3
    *3*5 ,2*2
    *2*2 *3].
    map{ |c|c
    .to_ s(5*7
    ).gs ub("1 ","
    \s") .upca se}.
    zip( [2*5* 61*1
    801, 2*5*3 931,
    811* 1871, 2*11
    *350 27,7* 11*1
    259* 20389 *764
    171].map{|c|c.to_s(2*2*3*3)}))*""))*"")
    Enjoy Ruby with Agile Development https://gist.github.com/fkino/c4e73594b0e9eaea9621a273aa1fc6e8
    

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