入門Cureutils

2016/06/18に開催された「jus共催、第5回初心者向けとは言うものの午前のシェル勉強会/第23回梅雨でモワッとしたシェル芸勉強会」で発表したLT資料です。

Transcript

1. ೖ໳Cureutils
   @grethlen
   

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2. ~$ whoami
   Yasuhiro Yamada (HN: ͙Ε͞Μ)
   Twitter: @grethlen
   ϋΠύʔγΣϧܳΩϡΞΤϯδχΞ
   ओͳલՊ
   • γΣϧܳ x WebεΫϨΠϐϯά (໿120stock)

   http://qiita.com/greymd/items/368faf898c161165fee7
   • γΣϧܳ x ଟݴޠϚογϡΞοϓ (͸ͯͿҰҐʣ

   http://qiita.com/greymd/items/a4ecf8e70f11eb1e5f7
   • γΣϧܳ x IoT (͋Γ͕ͪͳIoTܥهࣄ)

   http://www.slideshare.net/YasuhiroYamada1/arduino-52210988
   • γΣϧܳ x Egison (໿270stock)

   https://github.com/greymd/egzact
   ྉཧͰ͖·ͤΜ
   

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3. ϓϩάϥϛϯάڭҭ
   *1 https://twitter.com/13Mzawa2/status/741902695712182272/photo/1
   2020೥ΑΓখֶߍ͔Βϓϩάϥϛϯά͕ඞमԽݟࠐΈ
   γΣϧεΫϦϓτ΋෼͔Δখֶੜ *1
   

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4. ݒ೦.1 ಓ۩͸ద੾͔ʁ
   • ΞϧΰϦζϜ͚ͩڭ͑ͯҝʹͳΔͷ͔ʁ
   • γΣϧܳͷڭҭ༻πʔϧͱͯ͠ͷ

   ແବʹߴ͍ϙςϯγϟϧ
   1. σʔλߏ଄ͷେ੾͞΋ֶ΂Δɻ

   ΞϧΰϦζϜ͚ͩͰ͸ͳ͍ɻ
   2. ௚ײ͞ɻωετ͠ʹ͍͘ɺ

   ੵΈ໦ΛੵΈ্͛Δײ֮ɻ
   3. ෦඼Խͷେ੾͞ɻ

   Ұͭͷ෦඼͸Ұͭͷ͜ͱΛ͏·͘ɻ
   → S○ratch͸Φϫίϯɻ࣌୅͸γΣϧܳ!? vs
   γΣϧܳͷྫ
   ڭҭ༻ιϑτͷྫ
   

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5. ݒ೦.2 ۤखҙࣝ΁ͷέΞ
   ଟ͘ͷڞײʢˢ200RTʣΛੜΜͩ

   ࠃຽͷ੠Λ୅หͨ͠πΠʔτ*1
   *1 https://twitter.com/grethlen/status/722066098758111232
   

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6. ʲิ଍ࢿྉʳϓϦΩϡΞ
   • ೔ຊ͕ੈքʹތΔ

   ࠃຽతΞχϝͷҰͭ
   • 13೥໨ઈࢍ์өதʂ

   ʮຐ๏͔͍ͭϓϦΩϡΞʯ
   • ςϨϏே೔ܥྻ

   ೔༵ே8:30ʙ

   γΣϧܳษڧձͷ࣍ͷ೔͸

   ૣ͘ى͖ͯ؍Α͏
   *1 http://www.toei-anim.co.jp/tv/precure/
   ఱ࢖ୡ *1
   

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7. ݒ೦3. ڭһ͸଍Γ͍ͯΔͷ͔ʁ
   ্͕Δٕज़ऀͷٻਓഒ཰*1 Լ͕ΔϓϦΩϡΞͷࢹௌ཰*2
   *1 http://doda.jp/guide/kyujin_bairitsu/#03
   *2 http://prehyou2015.hatenablog.com/entry/shichourituichiran
   → ਂࠁԽ͢ΔएऀͷΩϡΞΤϯδχΞ཭Εɻ
   

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8. ʲ݁࿦ʳࠓͷ೔ຊʹඞཁͳࣄ
   ʮγΣϧܳ & ϓϦΩϡΞʯ
   ͳ
   ٕज़ऀΛ૿΍͢ɻ
   

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9. ~$ man Cureutils
   Cureutils ʲ͖Ύ͋ΏʔͪΔͣʳ
   • ࣍ੈ୅ߴ౓ΩϡΞITਓࡐཆ੒༻ίϚϯυूɻ
   • UNIXॳֶऀͷֶश༻ʹɻ
   • ΋ͪΖΜۀ຿ʹ΋໾ཱͭɻ
   • Github: https://github.com/greymd/cureutils
   • Ruby੡ίϚϯυ
   • rubicure*1ΛґଘϥΠϒϥϦͱͯ͠࠾༻ɻ
   *1 https://github.com/sue445/rubicure
   

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10. ಋೖํ๏
    Rubygemsొ࿥ࡁΈ *1
    • gemͰೖΕΒΕΔɻ
    $ sudo gem install cureutils
    Πϯετʔϧ͢ΔͱcureίϚϯυ͕࢖͑Δɻ
    • ࢖͍ํͷදࣔɻ
    $ cure help
    *1 https://rubygems.org/gems/cureutils
    

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11. ~$ cure precures
    $ cure precures
    • ϓϦΩϡΞͷ໊લΛશһग़ྗ *1
    *1 ݱࡏ·ͰͷςϨϏγϦʔζͷϝΠϯώϩΠϯͱΩϡΞΤίʔΛؚΊ46ਓɻ

    ʮΩϡΞʯ͕͔ͭͳ͍΋ͷ΋ؚΉɻΩϡΞ{ϒϥΠτ, ϒϧʔϜ}ͳͲͷ

    ಉҰਓ෺Ͱҟ໊ͷϓϦΩϡΞʹͳΔ΋ͷ͸ഉআɻ࢒೦ͳ͕Βຬͱ܆͸ؚ·ͣɻ
    

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12. ~$ cure girls
    $ cure girls
    • ม਎લͷঁͷࢠͷ໊લΛશһग़ྗ
    

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13. ~$ cure {precures,girls}

    # ׆༻৔໘
    • ςετ༻μϛʔσʔλ࡞੒ʹɻ
    • ৬৔/ֶߍͰͷ࿩୊࡞Γʹɻ

    ʮणݶແݴ͑ΔΜͩɺ͍͢͝Ͷɻ͡Ό͋ϓϦΩϡΞ͸ʁʯ
    • ࠾༻໘઀ରࡦʹɻ

    ʮFizzBuzzͩͤΔΑͶʁ͡Ό͋ϓϦΩϡΞͩͤΔʁʯ

    ʮ$ cure precuresʯ

    ʮ͛͐ͬɺγΣϧܳਓʂʯ
    

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14. $ cure grep (1)
    $ cat text | cure grep
    ࢲ͸ΩϡΞϒϥοΫͰ͢ɻ
    • ϓϦΩϡΞͷ໊લͷΈΛநग़͢Δɻ
    $ curl -Lso- goo.gl/L3Fp6h | cure grep | head -n 1

    ΩϡΞϒϥοΫ͸ౖܹͨ͠ɻඞͣɺ…
    • ύΠϓͰͭͳ͙ͱண৭Λ͸ͣ͢ɻ
    

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15. $ cure grep (2)
    • ਖ਼نදݱ಺ͰPBE͕ར༻Մೳʂ
    $ cat txt | cure grep ‘ࢲ͸[:precure_name:]Ͱ͢ɻ’
    ͜Μʹͪ͸ɺ ࢲ͸ΩϡΞϨϞωʔυͰ͢ɻ
    • ௨ৗͷBE (Bracket Expression)

    [:alnum:], [:lower:], [:upper:], [:space:] …
    • PBE (Precure Bracket Expressin)

    [:precure_name:] — ϓϦΩϡΞ໊ʹϚον 

    [:human_name:] — ঁͷࢠ໊ʹϚον

    [:cast_name:] — ੠༏໊ʹϚον

    ͳͲ
    

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16. ~$ cure grep (3)
    γΣϧܳਓ͓ೃછΈͷίϚϯυϥΠϯΦϓγϣϯ΋ʂ
    • -o : Ϛον෦෼ͷΈग़ྗɻ
    • -E : ͨͩͷ֦ுਖ਼نදݱΛ࢖͏ɻ

    PBEແޮԽɻීஈͷgrepίϚϯυʹม਎ʂ
    $ cat access.log | cure grep -E '192.168.1.1'
    

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17. ~$ cure grep #׆༻৔໘
    • จষ͔ΒεϜʔζʹϓϦΩϡΞΛநग़ɻ
    • ࢓ࣄͷใࠂॻ΍ɺֶߍͷϨϙʔτͳͲɻ
    • Rubyͷਖ਼نදݱ͕࢖͑Δgrepͱׂͯ͠ͱศར
    • ෦෼ࣜݺͼग़͠*1ͱ͔࢖͑Δ
    $ echo "aaaa\naabb" | \
    cure grep '^(?aa)\g$'
    aaaa
    *1 http://docs.ruby-lang.org/ja/1.9.3/doc/spec=2fregexp.html
    

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18. ~$ cure transform
    • ϓϦΩϡΞΛม਎ͤ͞Δɻ
    $ echo ‘ࢲͷ໊લ͸े࿡໷ϦίͰ͢ɻ’ | cure transform
    ࢲͷ໊લ͸ΩϡΞϚδΧϧͰ͢ɻ
    

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19. ~$ cure humanize
    • ϓϦΩϡΞͷม਎Λղআ͢Δɻ
    $ echo ΩϡΞ{ϋʔτ,Τʔε} | cure humanize
    ૬ాϚφ ԁѥٱཬ
    

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20. ~$ cure {humanize,transform}

    # ׆༻৔໘
    • ৘ใͷਖ਼نԽɻ
    • Ұ୴શͯͷϓϦΩϡΞΛม਎ͤ͞Δɻ
    • grepΛ͔͚΍͘͢͢Δɻ
    

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21. ~$ cure date (1)
    $ cure date
    2016-06-17 21:28:42 ຐ๏͔͍ͭϓϦΩϡΞʂ์өظؒ
    • ݱࡏͷ೔࣌Λදࣔ͢Δɻ
    • ͦͷ࣌ͷϓϦΩϡΞؔ࿈ͷΠϕϯτ΋දࣔɻ
    • ౰࣌์өதͷϓϦΩϡΞɻ
    • ॳճɾ࠷ऴճ์ө೔
    • ϓϦΩϡΞͷ஀ੜ೔
    • өըͷެ։೔ ͳͲ
    

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22. ~$ cure date (2)
    • -d ΦϓγϣϯରԠ
    $ cure date -d ‘1 years ago’
    • “+”ʹଓ͍ͯ೔෇ͷग़ྗϑΥʔϚοτΛࢦఆՄೳɻ
    $ cure date ‘+%Y-%m-%d @p’
    • %Y : ੢ྐྵ
    • %m : ݄ 01 - 12
    • %d : ೔ 01 - 31
    • @P : ϓϦΩϡΞؔ࿈ͷΠϕϯτ
    • ଞͷه๏΋ରԠ
    

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23. ~$ cure date #׆༻৔໘
    • dateಉ༷ɺϩάͷग़ྗ࣌ࠁͱͯ͠ɻ
    • ϥΠϑϩάͷΤοηϯεͱͯ͠ɻ
    • ௨ৗͷdateίϚϯυͱҧ͍

    YYYY-mm-dd HH:MM:SS

    ϑΥʔϚοτͰσϑΥϧτͰग़ྗɻ

    ͪΐͬͱ͋Γ͕͍ͨɻ
    

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24. ~$ cure echo (1)
    • ΩϡΞΤίʔͷม਎ޱ্Λग़ྗ͢Δɻ
    • Φϓγϣϯ
    • -a : ߈ܸͷޱ্Λ௥Ճ
    • -q : ޱ্Λ͙͢ʹදࣔͤ͞Δɻ
    $ cure echo
    ΈΜͳͷࢥ͍ΛकΔͨΊʹ
    # ҎԼུ
    *1 http://cocoa08.com/anime/4287/
    ܶ৔൛ݶఆͷϓϦΩϡΞ *1
    

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25. ~$ cure echo (2)
    • ΋ͪΖΜଞͷϓϦΩϡΞʹ΋ରԠ
    • -p ϓϦΩϡΞΛࢦఆͰ͖Δɻ
    $ cure echo -p sword
    ϓϦΩϡΞϥϒϦϯΫʂ
    # ҎԼུ
    

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26. ~$ cure echo #׆༻৔໘
    • ςετ༻μϛʔจষͷੜ੒ʹɻ
    • ҰൠϢʔβ͕rootʹͳΔ࣌ͷܯࠂͱͯ͠ɻ
    $ echo “cure echo” >> /root/.bashrc
    • େ͖ͳྗʢݖݶʣΛ࣋ͬͨ͜ͱΛ֮ࣗͤ͞Δɻ
    • దٓམͪண࣌ؒ͘Λઃ͚ΒΕΔɻ

    → Φϖϛεͷ௿ݮ
    

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27. ~$ cure janken
    $ cure janken
    • ϐΧϦϯδϟϯέϯ͕Ͱ͖Δ
    • উഊʹΑΓ

    ऴྃεςʔλε͕มԽɻ
    • উར: 0
    • ഊ๺: 1
    • ͍͋͜: 2
    ϐΧϦϯ͡ΌΜ͚Μ by ΩϡΞϐʔε
    

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28. ~$ cure janken #׆༻৔໘
    • ࢓ࣄதͷଉൈ͖ʹɻ
    • উෛڧ͍ਓ͚͕࣮ͩߦͰ͖ΔεΫϦϓτ࡞੒ʹɻ
    • ެฏͳ࡞ۀ෼୲ʹɻ
    $ cure janken && mysql -u user
    ʮ࠷ॳʹউͬͨਓ͕drop table͠·͠ΐ͏Αɻʯ
    

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29. ͦͷଞ
    GithubͰZsh༻ೖྗิ׬εΫϦϓτΛެ։தʂ
    • Github: https://github.com/greymd/cureutils/blob/
    master/etc/cure-completion.zsh
    ൒෼͸RubyΛֶͿͨΊʹ࡞ͬͨ΋ͷɻ
    • RubylistͷํͷϑΟʔυόοΫ΋଴ͬͯ·͢ʂ
    

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