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20140529_nanapistudy_vol2_pub.pdf
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wadap
May 29, 2014
Technology
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20140529_nanapistudy_vol2_pub.pdf
wadap
May 29, 2014
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Transcript
nanapi ษڧձ vol2 - Shellษڧձ - nanapi CTO Shuichi Wada
/ @wadap
• ࣮·ͩ2ճΊͷnanapiओ࠵ ͷษڧձͰ͢ • ಛʹςʔϚͳ͘ɺͦͷ࣌ʹ ڵຯ͋Δ͜ͱͰΓ·͢ • લճ։ൃڥʹ͍ͭͯ͢ ͷΛΓ·ͨ͠ nanapiษڧձͱʁ
ࣗݾհ • ాमҰ / @wadap • 1981ੜ·Ε • גࣜձࣾnanapi Co-Founderʢڞಉۀऀʣ
औక ࣥߦһ CTO • αʔόΠϯϑϥʙαʔόαΠυ։ൃ͕ಘҙ • ݱࡏͰΠϯϑϥपΓͷϝΠϯΤϯδχΞ
ຊͷςʔϚ
None
λʔήοτ • γΣϧૢ࡞ΛݟΒΕͯɺޙΖͷਓʹ͔ͭΕͨਓ • ͍ͭͷۀΛΑΓ͘ɺޮΑ࣮͘ߦ͍ͨ͠ਓ • γΣϧͷૢ࡞ʹࣗ৴͕ͳ͍ਓ
ͲΜͳ৬छʁ • ։ൃͷԆઢͰUnix/Linux৮ͬͯΔΤϯδχΞ • ͕ͬͭΓUnix/Linux৮ͬͯΔΤϯδχΞ • ΤϯδχΞ͡Όͳ͍ʢσβΠφʔͱ͔ʣ
ຊ
ຊͳ͢͜ͱ ϫϯϥΠφʔͰTIFMM͠Α͏ FNBDT͔ΒTIFMMΛ͏͍͔ͭ͘ͷํ๏
ຊͳ͢͜ͱ ϫϯϥΠφʔͰTIFMM͠Α͏ FNBDT͔ΒTIFMMΛ͏͍͔ͭ͘ͷํ๏
͜Μͳ͜ͱͬͯ·ͤΜ͔ʁ $ cd /path/to/dir $ ls foo bar buzz $
mv foo foo.bak $ mv bar bar.bak $ mv buzz buzz.bak
shellscriptʹ͢Δͱ͜͏ #!/bin/sh ! LIST=$(ls /path/to/dir) for i in $LIST do
mv $i{,.bak} done
1ߦͰΔͱ͜Μͳײ͡ for i in $(ls /path/to/dir); \ do mv $i{,.bak};
done
for͕͑ΔͱḿΔ • shellૢ࡞ͬͯ܁Γฦ͠࡞ۀଟ͍ • forΛ͔ͭͬͨॻ͖ํ͕છΈ͚Δͱ͍͍ • ίϚϯυஔΛҾʹͱΔͱศར
$ dig s.nanapi.jp $ dig p.nanapi.jp $ dig m.nanapi.jp υϝΠϯʴIPΞυϨεͷ
ରԠදͭ͘Γ͍ͨ
υϝΠϯʴIPΞυϨεͷ ରԠදͭ͘Γ͍ͨ for i in m p s ; \
do host $i.nanapi.jp ; \ done | grep addr | \ awk '{print $1" "$4}'
࿈൪ϑΝΠϧͭ͘Γ͍ͨ • seqίϚϯυ -w ͰθϩຒΊͱ͔Ͱ͖Δ • {1..10}Έ͍ͨͳهड़ʢݺͼํෆ໌ʣ • {a..z}ͱ͔Ͱɺঢॱɾ߱ॱͰ͑Δ
࿈൪ϑΝΠϧ࡞Γ͍ͨ for i in $(seq -w 1 1 100); do
touch file_$i.txt; done
ຊͳ͢͜ͱ ϫϯϥΠφʔͰTIFMM͠Α͏ FNBDT͔ΒTIFMMΛ͏͍͔ͭ͘ͷํ๏
ͳͥemacsʁ • emacs͕͖͔ͩΒ • shellͷૢ࡞σϑΥϧτͰemcasΩʔόΠϯυ • vimͬͯͯɺshellૢ࡞ͦͷ··͍͡Δਓଟ͍
emacs + shell • emacsͷ্ʹ͍ͯɺshell͍͍ͨͱ͖͋Δ • σΟϨΫτϦͭͬͨ͘Γͱ͔ɺϑΝΠϧૢ࡞ͱ͔ • diredҰ୴͓͍͓ͯ͜͏ •
IDEҰ୴͓͍͓ͯ͜͏
ผλʔϛφϧ
• CTRL + z Ͱbackgroud • γϯάϧΟϯυͰͰ͖Δ • emacsͰϠϯΫͨ͠จࣈྻ ͔ͭͬͯshell͍͍ͨ
• λʔϛφϧͰͷίϐϖͳ͊ • tmux/screen͔ͭ͏ͷͳ͊ -nwݶఆ background
• ୯ൃར༻ͳΒ͜Ε͕ศར • scriptॻ్͍ͯͯதͰ࣮ߦͨ͠ Γ͍ͨ͠ͱ͖ͱ͔ • ͔ͨ͠ඪ४Ͱ͑ͨͣ M-! shell-command
• elispͰ࣮͞ΕͯΔshell • lsίϚϯυͳΒɺem-ls.el͕ݺ Ε͍ͯΔ • ͍͘͢͝ʹ͍͘͠ɺ͋͑ͯ Θͳ͍͍ͯ͘ͱࢥ͏ • ศརͳ͍ํ͋Δͷ͔ͳɾɾɾ
M-x eshell
• Լ෦ʹshellઐ༻Οϯυ͕ ग़ͯ͘Δ • F6ʹׂΓͯͯɺදࣔɾඇද ࣔΛτάϧͤͯ͞Δ • ඞཁͳͱ͖͚ͩʹ͔ͭ͑Δͷ Ͱ͘͢͝ศར shell-pop.el
ຊͷ·ͱΊ • ϫϯϥΠφʔͰॻ͘ͱ͍Ζ͍ΖḿΔ • ͱ͘ʹforศརͳͷͰखบʹͳΔͱ͍͍ײ͡ • emacsͷ͕ଟͯ͘͢Έ·ͤΜ
None