- 论坛徽章:
- 0
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完美版,去除了最后的,
- # cat o1
- 172.16.19.46
- 172.16.19.21,172.16.19.21,172.16.19.21,172.26.19.21,172.26.19.21,172.26.19.21
- 172.16.19.69,172.16.19.69,172.16.19.69,172.26.19.69,172.26.19.69,172.26.19.69
- 172.16.19.70,172.16.19.70,172.16.19.70,172.26.19.70,172.26.19.70,172.26.19.70
- #awk -F "," '{printf $1",";for (i=2;i<=NF;i++) {a=i-1;if ($i!=$a) printf $i","}printf "\n"}' o1| awk '{print substr($0,1,length($0)-1)}'
- 172.16.19.46
- 172.16.19.21,172.26.19.21
- 172.16.19.69,172.26.19.69
- 172.16.19.70,172.26.19.70
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[ 本帖最后由 ywlscpl 于 2009-1-6 16:52 编辑 ] |
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