Quinta parte da apresentação sobre Shell Scripting realizada na Bluesoft Confira o video em http://www.vimeo.com/bluesoft

1. Daniel Carneiro Shell Script Parte V

4. dirname a.txt .

6. readlink a.txt

7. readlink -f a.txt /home/daniel/a.txt

10. sha1sum -c sha1.txt

13. tail -f a.log

16. -c -> bytes

17. -m -> chars

18. -w -> words

19. -L -> longest line

21. -n, --numeric-sort

22. -h, --human-numeric-sort

24. -d, --repeated

25. -u, --unique

27. -c, --character

28. -d, --delimiter

29. -f, --fields

30. --complement -> inverte a seleção

31. Obs.: campos na forma a,b,c-d

35. -i, --ignore-case

36. -v, --invert-match

37. -c, --count

38. -L, --files-without-match

39. -l, --files-with-match

40. -H, --without-filename

41. -h, --no-filename

42. -n, --line-number

45. -r, --regex-extended

48. $ -> last line

49. /regex/,/regex/ -> regex

51. a -> append line

52. i -> insert line

53. p -> print line

54. = -> print line number

55. y/source/dest/ -> translate

56. s/regex/change/opts -> regex change

57. { } -> group commands

59. sed -e '20,30 d' a.txt

60. sed -e '1,/^$/ d' a.txt

61. sed -n -e '/begin/,/end/ { s/#.*// /^$/ d p }' a.txt

62. E muito, muito mais.... man awk tar gzip pbzip2 cp mv ls rm uname id whoami touch more less which date dd df du sleep ln mkfifo nohup fmt

63. Obrigado