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replacement of 'sort | uniq'
duzhe0
·
Apr 11, 2014
· 3473 views
This topic created in 4405 days ago, the information mentioned may be changed or developed.
https://github.com/duzhe/nsuniq
uniq
sort
replacement
5 replies
•
1970-01-01 08:00:00 +08:00
1
rrfeng
Apr 12, 2014
sort -u
2
duzhe0
OP
Apr 12, 2014
@
rrfeng
sort 不支持uniq的-c参数,而且它是排序的,如果我们只需要uniq,在数据量大时性能无法忍受
3
rrfeng
Apr 12, 2014
@
duzhe0
awk 都是一句话的事
4
duzhe0
OP
Apr 12, 2014
@
rrfeng
就是用awk实现的
5
rrfeng
Apr 12, 2014
@
duzhe0
对啊,所以我觉得没必要……
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