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  1. #!/bin/bash
  2. month=`date +%m`
  3.  
  4. case $month in
  5. 	01)
  6. 		days=31
  7. 		;;
  8. 	02)
  9. 		days=28
  10. 		;;
  11. 	03)
  12. 		days=31
  13. 		;;
  14. 	04)
  15. 		days=30
  16. 		;;
  17. 	05)
  18. 		days=31
  19. 		;;
  20. 	06)
  21. 		days=30
  22. 		;;
  23. 	07)
  24. 		days=31
  25. 		;;
  26. 	08)
  27. 		days=31
  28. 		;;
  29. 	09)
  30. 		days=30
  31. 		;;
  32. 	10)
  33. 		days=31
  34. 		;;
  35. 	11)
  36. 		days=30
  37. 		;;
  38. 	12)
  39. 		days=31
  40. 		;;
  41. esac
  42.  
  43. year=`date +%Y`
  44. month=02
  45. year=2011
  46. if [ "$month" -eq '02' ]; then 
  47. 	if [ $[$year % 400] -eq "0" ]; 
  48. 		then days=29
  49. 	elif [ $[$year % 4] -eq 0 ];
  50. 		then 
  51. 			if [ $[$year % 100] -eq 0 ]; then
  52. 				days=28
  53. 			else
  54. 				days=29
  55. 	fi
  56. else 
  57. 	days=28
  58. fi
  59. fi
  60.  
  61. echo "Current month is: $month"
  62. echo "Current month days: $days"
Success #stdin #stdout 0s 19632KB
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Standard input is empty
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Current month is: 02
Current month days: 28
https://ideone.com/HvUeU5
language:
Bash (bash 5.0.3)
created:
5 years ago
visibility:
public

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