数字拆分成区间

Herowinter

黑哥没空搭理我,只能自己想办法了.

1. [root@lnx-rh6-x64 zzz]# sed -nr 'G;s/(.*)([0-9]+)(\n[0-9]*)/printf "%s%d-%d" "\1" $((\3+1)) $((\3+\2))/ep;s/.*-([0-9]*)/\1/;h' i
   
2. a 1-3
   
3. b 4-7
   
4. c 8-12
   
5. d 13-14
   
6. [root@lnx-rh6-x64 zzz]# cat i
   
7. a 3
   
8. b 4
   
9. c 5
   
10. d 2

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