交集
$
sort
a b |
uniq
-d
并集
$
sort
a b |
uniq
差集a-b
$
sort
a b b |
uniq
-u
文件乱序
cat tmp.txt | awk 'BEGIN{srand()}{print rand()" "$0}' | sort -k1,1 -n | cut -f2- > out.txt
交集
$
sort
a b |
uniq
-d
并集
$
sort
a b |
uniq
差集a-b
$
sort
a b b |
uniq
-u
文件乱序
cat tmp.txt | awk 'BEGIN{srand()}{print rand()" "$0}' | sort -k1,1 -n | cut -f2- > out.txt