shell计算网段计算机个数

awk就是awp加ak

[ling@test1]>cat z2
218.022.121.000 218.022.127.255
218.022.128.000 218.022.143.255
058.060.000.000 058.061.095.255
058.061.096.000 058.061.255.255
058.062.000.000 058.062.063.255
058.062.064.000 058.062.079.255
058.062.080.000 058.063.038.135
058.063.038.144 058.063.095.255
[ling@test1]>awk -F'[. -]' '
> {
>         counts = 1;
>
>         for (i = 3; i >= 0; i--){
>                 counts1[i] = $(NF-i);
>                 counts2[i] = $(4-i);
>         }
>
>         for (i = 0; i < 4; i++) if (counts1[i] < counts2[i]){ counts1[i+1]--; counts1[i] += 256; }
>         for (i = 0; i < 4; i++) counts *= (counts1[i] - counts2[i] + 1);
>
>         print $1"."$2"."$3"."$4, counts;
> }' z2
218.022.121.000 1792
218.022.128.000 4096
058.060.000.000 49152
058.061.096.000 40960
058.062.000.000 16384
058.062.064.000 4096
058.062.080.000 29240
058.063.038.144 6496

frankzh

再次谢谢 你 我之前的ip列表是windows格式的 转化为unix格式后 用你的 计算应该可以了

现在套用后可以 算出下列格式（主要是将qq的全国 ip地址列表按省份用下面的格式表示出来）

1. 
   
2. 060.166.000.000/16
   
3. 060.167.000.000/17
   
4. 060.167.128.000/16
   
5. 060.170.000.000/17
   
6. 060.170.128.000/17
   
7. 060.171.000.000/18
   
8. 060.171.064.000/18
   
9. 060.171.128.000/18
   
10. 060.171.192.000/18
    
11. 060.172.000.000/19
    
12. 060.172.032.000/19
    
13. 060.172.064.000/19
    
14. 060.172.096.000/19
    
15. 060.172.128.000/19
    
16. 060.172.160.000/19
    
17. 060.172.192.000/19
    
18. 060.172.224.000/18
    
19. 060.173.064.000/19
    
20. 060.173.096.000/18
    
21. 060.173.192.000/18
    
22. 060.174.000.000/18
    
23. 060.174.064.000/18
    
24. 060.174.128.000/20
    
25. 060.174.144.000/17
    
26. 061.132.128.000/21
    
27. 061.132.140.000/21
    
28. 061.132.152.000/23
    
29. 061.132.154.000/23
    
30. 061.132.156.000/23
    
31. 061.132.158.000/23
    
32. 061.132.160.000/22
    
33. 061.132.164.000/22
    
34. 061.132.168.000/22
    
35. 061.132.172.000/22
    
36. 061.132.176.000/23
    
37. 061.132.178.000/23
    
38. 061.132.180.000/21
    
39. 061.132.188.000/20
    
40. 061.132.204.000/22
    
41. 等等
    

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[ 本帖最后由 frankzh 于 2006-10-24 15:31 编辑 ]

awk就是awp加ak

好使就好了，不客气