Unix Commands

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

Transcript

1. JOSS @joshuapaling
2. git diff --staged --diff- filter=dx --name-only HEAD | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
3. ✂ --
4. git diff --staged --diff- filter=dx --name-only HEAD | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
5. git diff --staged --diff- filter=dx --name-only HEAD | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
6. git diff --staged --diff- filter=dx --name-only HEAD | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
7. <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. git diff --staged --diff- filter=dx --name-only HEAD | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
9. git diff --staged --diff- filter=dx --name-only HEAD | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
11. 010100010101111001010 101001010010101010100 101001010111101010100
13. The quick brown fox jumped over the lazy dog.
14. Software dev and “Hello Hungry, I’m Dad” enthusiast. resume.txt
15. alert(“you have know idea what you’re getting in to”) helloWorld.js
18. /dev/null /dev/random /dev/zero
22. /dev/null /dev/random /dev/zero
23. The quick brown fox jumped over the lazy dog. /dev/null /dev/random /dev/zero
24. 1. Small, composable ⚒ 2. = Stream of
25. STDIN STDOUT STDERR
26. STANDARD INPUT STANDARD OUTPUT STANDARD ERROR
27. STANDARD INPUT STANDARD OUTPUT STANDARD ERROR
28. 1. Small, composable ⚒ 2. = Stream of 3. 3 streams: IN, OUT, ERR
29. STANDARD INPUT STANDARD OUTPUT STANDARD ERROR
30. STANDARD INPUT STANDARD OUTPUT STANDARD ERROR /dev/null
31. STANDARD INPUT STANDARD OUTPUT STANDARD ERROR
32. STANDARD INPUT STANDARD OUTPUT STANDARD ERROR
52. > anywhere.txt
53. >> anywhere.txt
54. 2> anywhere.txt
55. 2>> anywhere.txt
74. > anywhere.txt < anywhere.txt
92. 1. Small, composable ⚒ 2. = Stream of 3. 3 streams: IN, OUT, ERR 4. ↔ with <, >, 2>
93. git diff --staged --diff- filter=dx --name-only HEAD | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
96. |
97. | ls -1 grep ‘res’
120. 1. Small, composable ⚒ 2. = Stream of 3. 3 streams: IN, OUT, ERR 4. ↔ with <, >, 2> 5. | | |
121. git diff --staged --diff- filter=dx --name-only HEAD | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
126. subl stdin XgKkGs.txt
157. 1. Small, composable ⚒ 2. = Stream of 3. 3 streams: IN, OUT, ERR 4. ↔ with <, >, 2> 5. | | | 6. xargs: STDIN to ARGUMENTS
158. git diff --staged --diff- filter=dx --name-only HEAD | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
159. git diff --staged --diff- filter=dx --name-only HEAD | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
160. git diff --staged --diff- filter=dx --name-only HEAD | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
161. git diff --staged --diff- filter=dx --name-only HEAD | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
162. git diff --staged --diff- filter=dx --name-only HEAD | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
167. README.md client/src/components/nav/Nav.jsx client/src/reducers/consideration.js public/index.js
168. git diff --staged --diff- filter=dx --name-only HEAD | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
169. <STAGED FILES> | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
170. <STAGED FILES> | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
171. <STAGED FILES> | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
172. <STAGED FILES> | <THAT ARE JS / JSX> | grep -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
173. README.md client/src/components/nav/Nav.jsx client/src/reducers/consideration.js public/index.js
174. README.md client/src/components/nav/Nav.jsx client/src/reducers/consideration.js public/index.js
175. client/src/components/nav/Nav.jsx client/src/reducers/consideration.js public/index.js
176. <STAGED FILES> | <THAT ARE JS / JSX> | grep -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
177. <STAGED FILES> | <THAT ARE JS / JSX> | grep -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
178. client/src/components/nav/Nav.jsx client/src/reducers/consideration.js public/index.js
179. client/src/components/nav/Nav.jsx client/src/reducers/consideration.js public/index.js
180. client/src/components/nav/Nav.jsx client/src/reducers/consideration.js public/index.js
181. client/src/components/nav/Nav.jsx client/src/reducers/consideration.js
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. <STAGED FILES> | <THAT ARE JS / JSX> | <NOT IN PUBLIC DIR> | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
184. client/src/components/nav/Nav.jsx client/src/reducers/consideration.js
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. <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. <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. <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. <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. <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. 1. Small, composable ⚒ 2. = Stream of 3. 3 streams: IN, OUT, ERR 4. ↔ with <, >, 2> 5. | | | 6. xargs: STDIN to ARGUMENTS
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. git diff --staged --diff- filter=dx --name-only HEAD | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c 'prettier --single- quote --trailing-comma es5 --write %; git add %'
194. git diff --staged --diff- filter=dx --name-only HEAD | grep -E '.*\\.(js|jsx)$' | grep -v ^public/ | xargs -I % sh -c ‘ prettier --single-quote -- trailing-comma es5 --write %; git add %'
195. <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. ✂ --