Por que deixei de usar IDEs e comecei a usar um editor no terminal. Apresentação feita na #PHPExperince 2015. Blog post: http://bit.ly/gugu-lindo

1. P O R Q U E V I M ?
A U G U S T O PA S C U T T I
Sebastião Salgado

2. V O C Ê D E V E R I A U S A R
V I M ?

3. V O C Ê D E V E R I A U S A R
V I M ?
N Ã O

5. B O M S O F T WA R E
N O S S O O B J E T I V O É S E M P R E P R O D U Z I R :
Edward Weston

6. O Q U E É U M
B O M
S O F T WA R E ?

7. O Q U E FA Z U M S O F T WA R E R U I M ?
• Bugs
• Difícil de usar
• Código difícil:
• De entender
• De estender
• De mudar

8. C O M O C R I A R
B O M
S O F T WA R E ?

9. “ C O M O
C O Z I N H A R
B E M ? ”

10. “ C O M A
B O A
C O M I D A ”

11. L I N U X
E X I S T E M B O N S E X E M P L O S D E S O F T WA R E ?
Sebastião Salgado

12. – R O B P I K E
“The heart of Unix philosophy is the idea that the
power of a system comes more from the
relationships among programs than from the
programs themselves.”

13. I M P O N D O L I M I T E S
• Passar o máximo de tempo possível na shell.
• Evitar root. Customizar pouco.
• Otimizar sempre.

14. E X E M P L O S

15. A N A LY T I C S

16. #!/bin/bash
[~/Apache] $ cat /var/log/apache2/access.log

17. 220.181.108.101 - - [20/Jun/2012:19:31:01 +0200] "GET / HTTP/1.1" 200 912 "-" "Mozilla/5.0 (compatible;
Baiduspider/2.0; +http://www.baidu.com/search/spider.html)"
123.125.68.79 - - [20/Jun/2012:19:53:24 +0200] "GET / HTTP/1.1" 200 625 "-" "Mozilla/5.0 (compatible;
Baiduspider/2.0; +http://www.baidu.com/search/spider.html)"
178.154.210.252 - - [20/Jun/2012:19:54:10 +0200] "GET /?C=S;O=A HTTP/1.1" 200 663 "-" "Mozilla/5.0
(compatible; YandexBot/3.0; +http://yandex.com/bots)"
74.125.126.102 - - [20/Jun/2012:20:15:28 +0200] "GET / HTTP/1.1" 200 606 "http://www.google.com/url?
sa=t&rct=j&q=error&source=web&cd=1&ved=0CFAQFjAG&url=http%3A%2F%2Fwww.isrolab.com
%2F&ei=GxPiT5PsL4e04AHPtgE&usg=AFQjCNHnmjmdkUV584ORIpOXz7zAPX0UHQ" "Mozilla/4.0 (compatible; MSIE 7.0; Windows
NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; InfoPath.2; .NET
CLR 3.0.4506.2152; .NET CLR 3.5.30729)"
74.125.126.103 - - [20/Jun/2012:20:15:29 +0200] "GET /icons/blank.gif HTTP/1.1" 200 383 "http://
www.isrolab.com/" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR
2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; InfoPath.2; .NET CLR 3.0.4506.2152; .NET CLR
3.5.30729)"
74.125.126.93 - - [20/Jun/2012:20:15:29 +0200] "GET /icons/folder.gif HTTP/1.1" 200 460 "http://
www.isrolab.com/" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR
2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; InfoPath.2; .NET CLR 3.0.4506.2152; .NET CLR
3.5.30729)"
74.125.126.82 - - [20/Jun/2012:20:15:30 +0200] "GET /favicon.ico HTTP/1.1" 404 449 "-" "Mozilla/4.0
(compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR
3.5.21022; InfoPath.2; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)"
184.82.92.239 - - [20/Jun/2012:21:03:44 +0200] "GET /logs/access.log HTTP/1.1" 200 2519 "http://isrolab.com/"
"Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; Mozilla/4.0 (compatible; MSIE 6.0; Windows NT
5.1; SV1) ; .NET CLR 3.5.30729)"
173.236.21.106 - - [20/Jun/2012:21:16:22 +0200] "GET /robots.txt HTTP/1.0" 404 488 "-" "Mozilla/5.0
(compatible; MJ12bot/v1.4.3; http://www.majestic12.co.uk/bot.php?+)"
173.236.21.106 - - [20/Jun/2012:21:16:23 +0200] "GET / HTTP/1.0" 200 621 "-" "Mozilla/5.0 (compatible;
MJ12bot/v1.4.3; http://www.majestic12.co.uk/bot.php?+)"
213.186.122.2 - - [20/Jun/2012:21:27:53 +0200] "GET /logs/?C=D;O=D HTTP/1.1" 200 658 "-" "Mozilla/5.0
(compatible; AhrefsBot/3.0; +http://ahrefs.com/robot/)"
66.249.72.65 - - [20/Jun/2012:21:28:00 +0200] "GET /robots.txt HTTP/1.1" 404 508 "-" "Mozilla/5.0 (compatible;
Googlebot/2.1; +http://www.google.com/bot.html)"
66.249.72.65 - - [20/Jun/2012:21:28:00 +0200] "GET /logs/ HTTP/1.1" 200 723 "-" "Mozilla/5.0 (compatible;
Googlebot/2.1; +http://www.google.com/bot.html)"
123.125.71.44 - - [20/Jun/2012:21:38:57 +0200] "GET / HTTP/1.1" 200 913 "-" "Mozilla/5.0 (compatible;
Baiduspider/2.0; +http://www.baidu.com/search/spider.html)"
220.181.108.88 - - [20/Jun/2012:21:39:48 +0200] "GET / HTTP/1.1" 200 913 "-" "Mozilla/5.0 (compatible;
Baiduspider/2.0; +http://www.baidu.com/search/spider.html)"
178.154.210.252 - - [20/Jun/2012:21:45:12 +0200] "GET /logs/ HTTP/1.1" 200 728 "-" "Mozilla/5.0 (compatible;
YandexBot/3.0; +http://yandex.com/bots)"
139.18.2.209 - - [20/Jun/2012:22:31:43 +0200] "GET / HTTP/1.1" 200 912 "-" "findlinks/2.6 (+http://
wortschatz.uni-leipzig.de/findlinks/)"

18. #!/bin/bash
[~/Apache] $ wc -l access.log
65063 access.log

19. #!/bin/bash
[~/Apache] $ grep "HTTP/1.1" access.log | wc -l
52129

20. #!/bin/bash
[~/Apache] $ tail -n 1 access.log
192.210.213.91 - - [08/Jun/2014:19:42:34 -0700] "GET /logs/
access.log HTTP/1.1" 200 4663 "http://redlug.com/"
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_4)
AppleWebKit/536.30.1 (KHTML, like Gecko) Version/6.0.5
Safari/536.30.1" "redlug.com"

21. #!/bin/bash
[~/Apache]$ head -n 1 access.log
1.202.218.8 - - [20/Jun/2012:19:05:12 +0200] "GET /
robots.txt HTTP/1.0" 404 492 "-" ""Mozilla/5.0"

22. #!/bin/bash
[~/Apache]$ head -n 1 access.log
1.202.218.8 - - [20/Jun/2012:19:05:12 +0200] "GET /
robots.txt HTTP/1.0" 404 492 "-" “"Mozilla/5.0"

23. #!/bin/bash
[~/Apache]$ head -n 1 access.log
1.202.218.8 - - [20/Jun/2012:19:05:12 +0200] "GET /
robots.txt HTTP/1.0" 404 492 "-" “"Mozilla/5.0"
[~/Apache]$ head -n 1 access.log | awk '{print $1}'
1.202.218.8

24. #!/bin/bash
[~/Apache]$ head -n 1 access.log
1.202.218.8 - - [20/Jun/2012:19:05:12 +0200] "GET /
robots.txt HTTP/1.0" 404 492 "-" “"Mozilla/5.0"
[~/Apache]$ head -n 1 access.log | awk '{print $1}'
1.202.218.8
[~/Apache]$ awk '/access.log/' access.log | awk '{print
$1}'
31.184.238.164
31.184.238.164
77.27.18.67
31.184.238.164
31.184.238.164
31.184.238.164
31.184.238.164
31.184.238.164

25. #!/bin/bash
[~/Apache] $ awk '/access.log/' access.log |
awk '{print $1}' |
sort |
uniq -c |
sort -r

26. #!/bin/bash
[~/Apache] $ awk '/access.log/' access.log |
awk '{print $1}' |
sort |
uniq -c |
sort -r
41 31.184.238.164
2 192.210.213.91
1 77.27.18.67
1 192.227.243.66
1 189.120.185.4

27. B R O W S E R U S E D
IE
1%
Chrome
39%
Firefox
60%

28. G I T

29. G I T T O W E R

30. M E U R E P O S I T Ó R I O

31. B R A N C H E S

32. L O G

33. C O M M I T

34. H A H A H A

35. [~/symfony] $ git branch
* 2.7

36. [~/symfony] $ git branch
* 2.7
[~/symfony] $ git log | wc -l
299 348

37. [~/symfony] $ git branch
* 2.7
[~/symfony] $ git log | wc -l
299 348
[~/symfony] $ alias rank="sort | uniq -c | sort -nr | head -n 3“

38. [~/symfony] $ git branch
* 2.7
[~/symfony] $ git log | wc -l
299 348
[~/symfony] $ alias rank="sort | uniq -c | sort -nr | head -n 3“

39. [~/symfony] $ git branch
* 2.7
[~/symfony] $ git log | wc -l
299 348
[~/symfony] $ alias rank="sort | uniq -c | sort -nr | head -n 3“

40. [~/symfony] $ git branch
* 2.7
[~/symfony] $ git log | wc -l
299 348
[~/symfony] $ alias rank="sort | uniq -c | sort -nr | head -n 3“

41. [~/symfony] $ git branch
* 2.7
[~/symfony] $ git log | wc -l
299 348
[~/symfony] $ alias rank="sort | uniq -c | sort -nr | head -n 3“

42. [~/symfony] $ git branch
* 2.7
[~/symfony] $ git log | wc -l
299 348
[~/symfony] $ alias rank="sort | uniq -c | sort -nr | head -n 3“
[~/symfony] $ git log --format=%an | rank
10725 Fabien Potencier
1211 Bernhard Schussek
371 Tobias Schultze

43. [~/symfony] $ git config alias.author "log --format=%an"

44. [~/symfony] $ git config alias.author "log --format=%an"
[~/symfony] $ git author —since 2014-01-01 | rank
2444 Fabien Potencier
357 Nicolas Grekas
262 Bernhard Schussek

47. [~/symfony] $ cd ../zf2

48. [~/symfony] $ cd ../zf2
[~/zf2] $

49. [~/symfony] $ cd ../zf2
[~/zf2] $ git author | rank
7963 Matthew Weier O'Phinney
1647 Marco Pivetta
782 Maks3w

51. [~/zf2] $ git author --since 2014-01-01 | rank
1507 Marco Pivetta
1048 Matthew Weier O'Phinney
215 Abdul Malik Ikhsan

52. 1 #!/usr/bin/env php
2 <?php
3 /**
4 * hdate (Human Date)
5 *
6 * Converts a human (relative) date to an specific date.
7 * Usage: hdate "+10 day"
11 */
12
13 $relativeDate = $argv[1];
14 $date = new DateTime($relativeDate);
15
16 echo $date->format('Y-m-d');

53. [~/zf2] $ git author --since `hdate -1year` | rank
1358 Marco Pivetta
564 Matthew Weier O'Phinney
132 Abdul Malik Ikhsan

54. E D I T O R

55. V O LTA N D O A O
T R A B A L H O

56. [~/zf2] $ git diff --name-only HEAD^
library/Zend/Db/Sql/AbstractSql.php
tests/ZendTest/Db/Sql/AbstractSqlTest.php
tests/ZendTest/Db/Sql/ExpressionTest.php

57. [~/zf2] $ git diff --name-only HEAD^
library/Zend/Db/Sql/AbstractSql.php
tests/ZendTest/Db/Sql/AbstractSqlTest.php
tests/ZendTest/Db/Sql/ExpressionTest.php
[~/zf2] $ vim `git diff --name-only HEAD^`

58. L I N T ?

59. < E S C > : ! P H P - L %

60. < E S C > : ! P H P - L %
N O R M A L M O D E

61. < E S C > : ! P H P - L %
C O M A N D O E X T E R N O

62. < E S C > : ! P H P - L %
O P Ç Ã O “ L I N T ” D O P H P

63. < E S C > : ! P H P - L %
C A M I N H O C O M P L E T O D O A R Q U I V O A T U A L

64. R O D A R U M T E S T E ?

65. C H E C A R E S T I L O ?

66. V E R Ú LT I M O S A U T O R E S ?

67. A D I C I O N A R N O G I T ?

68. T U D O I S S O C O M A L G U N S
P O U C O S P R I N C Í P I O S D E D E S I G N

69. P R I N C Í P I O S
• Tudo é um arquivo
• Tipo de Informação? Texto.
• Escopos diferentes? Quebra de linha.
• Cache? Nah.
• Erros? Yeah!

70. L I M I T E S S Ã O B O N S ?
C O N C L U S Ã O
Cartier Bresson

71. P E R G U N TA S ?
W Eugene Smith

72. H T T P : / / B I T. LY / G U G U - L I N D O
F O I B O M P R A V O C Ê ?