字符串变量取交集、并集、差集

2022-01-04 本文已影响0人车到山前必有路2021

function jiaoji(){
data=echo "$1" "$2" | tr ' ' '\n' | sort | uniq -d | tr '\n' ' '
echo $data
}

function bingji(){
data=echo "$1" "$2" | tr ' ' '\n' | sort | tr '\n' ' '
echo $data
}

function chaji(){

$1 -$ 2

data=echo "$1" "$2" "$2" | tr ' ' '\n' | sort | uniq -u | tr '\n' ' '
echo $data
}