Unix Commands

Bca7defe7b8087d8e261d32b29cf425e?s=47 Joshua Paling
March 15, 2018
Programming
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38

Unix Commands

Explains how to understand complex unix commands. Covers pipes, stdin, stdout, stderr, xargs, etc.

Bca7defe7b8087d8e261d32b29cf425e?s=128

Joshua Paling

March 15, 2018
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Transcript

  1. 1.

    JOSS @joshuapaling

  2. 2.

    git diff --staged --diff- filter=dx --name-only HEAD | grep -E

    '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
  3. 3.

    ✂ --

  4. 4.

    git diff --staged --diff- filter=dx --name-only HEAD | grep -E

    '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
  5. 5.

    git diff --staged --diff- filter=dx --name-only HEAD | grep -E

    '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
  6. 6.

    git diff --staged --diff- filter=dx --name-only HEAD | grep -E

    '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
  7. 7.

    <STAGED FILES> | <THAT ARE JS / JSX> | <NOT

    IN PUBLIC DIR> | <AND FOR THOSE FILES AS %…> ‘ <FORMAT THEM WITH PRETTIER> ; <STAGE THEM FOR THIS COMMIT>'
  8. 8.

    git diff --staged --diff- filter=dx --name-only HEAD | grep -E

    '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
  9. 9.

    git diff --staged --diff- filter=dx --name-only HEAD | grep -E

    '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
  10. 10.
    None
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    010100010101111001010 101001010010101010100 101001010111101010100

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    None
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    The quick brown fox jumped over the lazy dog.

  14. 14.

    Software dev and “Hello Hungry, I’m Dad” enthusiast. resume.txt

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    alert(“you have know idea what you’re getting in to”) helloWorld.js

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    None
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    None
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    /dev/null /dev/random /dev/zero

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    None
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    None
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    /dev/null /dev/random /dev/zero

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    The quick brown fox jumped over the lazy dog. /dev/null

    /dev/random /dev/zero
  24. 24.

    1. Small, composable ⚒ 2. = Stream of

  25. 25.

    STDIN STDOUT STDERR

  26. 26.

    STANDARD INPUT STANDARD OUTPUT STANDARD ERROR

  27. 27.

    STANDARD INPUT STANDARD OUTPUT STANDARD ERROR

  28. 28.

    1. Small, composable ⚒ 2. = Stream of 3. 3

    streams: IN, OUT, ERR
  29. 29.

    STANDARD INPUT STANDARD OUTPUT STANDARD ERROR

  30. 30.

    STANDARD INPUT STANDARD OUTPUT STANDARD ERROR /dev/null

  31. 31.

    STANDARD INPUT STANDARD OUTPUT STANDARD ERROR

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    STANDARD INPUT STANDARD OUTPUT STANDARD ERROR

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    None
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    None
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    None
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    None
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    None
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    > anywhere.txt

  53. 53.

    >> anywhere.txt

  54. 54.

    2> anywhere.txt

  55. 55.

    2>> anywhere.txt

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    None
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    None
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    None
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    None
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    None
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    > anywhere.txt < anywhere.txt

  75. 75.
    None
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    None
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    None
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    None
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    1. Small, composable ⚒ 2. = Stream of 3. 3

    streams: IN, OUT, ERR 4. ↔ with <, >, 2>
  93. 93.

    git diff --staged --diff- filter=dx --name-only HEAD | grep -E

    '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
  94. 94.
    None
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    None
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    |

  97. 97.

    | ls -1 grep ‘res’

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    None
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    None
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    None
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    1. Small, composable ⚒ 2. = Stream of 3. 3

    streams: IN, OUT, ERR 4. ↔ with <, >, 2> 5. | | |
  121. 121.

    git diff --staged --diff- filter=dx --name-only HEAD | grep -E

    '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
  122. 122.
    None
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    None
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    None
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    None
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    subl stdin XgKkGs.txt

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    None
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    None
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    1. Small, composable ⚒ 2. = Stream of 3. 3

    streams: IN, OUT, ERR 4. ↔ with <, >, 2> 5. | | | 6. xargs: STDIN to ARGUMENTS
  158. 158.

    git diff --staged --diff- filter=dx --name-only HEAD | grep -E

    '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
  159. 159.

    git diff --staged --diff- filter=dx --name-only HEAD | grep -E

    '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
  160. 160.

    git diff --staged --diff- filter=dx --name-only HEAD | grep -E

    '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
  161. 161.

    git diff --staged --diff- filter=dx --name-only HEAD | grep -E

    '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
  162. 162.

    git diff --staged --diff- filter=dx --name-only HEAD | grep -E

    '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
  163. 163.
    None
  164. 164.
    None
  165. 165.
    None
  166. 166.
    None
  167. 167.

    README.md client/src/components/nav/Nav.jsx client/src/reducers/consideration.js public/index.js

  168. 168.

    git diff --staged --diff- filter=dx --name-only HEAD | grep -E

    '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
  169. 169.

    <STAGED FILES> | grep -E '.*\\.(js|jsx)$' | grep -v ^public/

    | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
  170. 170.

    <STAGED FILES> | grep -E '.*\\.(js|jsx)$' | grep -v ^public/

    | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
  171. 171.

    <STAGED FILES> | grep -E '.*\\.(js|jsx)$' | grep -v ^public/

    | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
  172. 172.

    <STAGED FILES> | <THAT ARE JS / JSX> | grep

    -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
  173. 173.

    README.md client/src/components/nav/Nav.jsx client/src/reducers/consideration.js public/index.js

  174. 174.

    README.md client/src/components/nav/Nav.jsx client/src/reducers/consideration.js public/index.js

  175. 175.

    client/src/components/nav/Nav.jsx client/src/reducers/consideration.js public/index.js

  176. 176.

    <STAGED FILES> | <THAT ARE JS / JSX> | grep

    -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
  177. 177.

    <STAGED FILES> | <THAT ARE JS / JSX> | grep

    -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
  178. 178.

    client/src/components/nav/Nav.jsx client/src/reducers/consideration.js public/index.js

  179. 179.

    client/src/components/nav/Nav.jsx client/src/reducers/consideration.js public/index.js

  180. 180.

    client/src/components/nav/Nav.jsx client/src/reducers/consideration.js public/index.js

  181. 181.

    client/src/components/nav/Nav.jsx client/src/reducers/consideration.js

  182. 182.

    <STAGED FILES> | <THAT ARE JS / JSX> | <NOT

    IN PUBLIC DIR> | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
  183. 183.

    <STAGED FILES> | <THAT ARE JS / JSX> | <NOT

    IN PUBLIC DIR> | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
  184. 184.

    client/src/components/nav/Nav.jsx client/src/reducers/consideration.js

  185. 185.

    <STAGED FILES> | <THAT ARE JS / JSX> | <NOT

    IN PUBLIC DIR> | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
  186. 186.

    <STAGED FILES> | <THAT ARE JS / JSX> | <NOT

    IN PUBLIC DIR> | <AND FOR THOSE FILES AS %…> ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
  187. 187.

    <STAGED FILES> | <THAT ARE JS / JSX> | <NOT

    IN PUBLIC DIR> | <AND FOR THOSE FILES AS %…> ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
  188. 188.

    <STAGED FILES> | <THAT ARE JS / JSX> | <NOT

    IN PUBLIC DIR> | <AND FOR THOSE FILES AS %…> ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
  189. 189.

    <STAGED FILES> | <THAT ARE JS / JSX> | <NOT

    IN PUBLIC DIR> | <AND FOR THOSE FILES AS %…> ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %’
  190. 190.

    <STAGED FILES> | <THAT ARE JS / JSX> | <NOT

    IN PUBLIC DIR> | <AND FOR THOSE FILES AS %…> ‘ <FORMAT THEM WITH PRETTIER> ; <STAGE THEM FOR THIS COMMIT>'
  191. 191.

    1. Small, composable ⚒ 2. = Stream of 3. 3

    streams: IN, OUT, ERR 4. ↔ with <, >, 2> 5. | | | 6. xargs: STDIN to ARGUMENTS
  192. 192.

    git diff --staged --diff- filter=dx --name-only HEAD | grep -E

    '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
  193. 193.

    git diff --staged --diff- filter=dx --name-only HEAD | grep -E

    '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
  194. 194.

    git diff --staged --diff- filter=dx --name-only HEAD | grep -E

    '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
  195. 195.

    <STAGED FILES> | <THAT ARE JS / JSX> | <NOT

    IN PUBLIC DIR> | <AND FOR THOSE FILES AS %…> ‘ <FORMAT THEM WITH PRETTIER> ; <STAGE THEM FOR THIS COMMIT>'
  196. 196.

    ✂ --