- 论坛徽章:
- 25
|
本帖最后由 wh7211 于 2018-08-08 21:24 编辑
回复 3# aaaa_123
2个小写字母+2个数字,允许字母或数字重复
- echo {a..z}|awk 'function p(x){for(i=1;i<=x;i++){for(j=1;j<=2;j++){a=int(rand()*24+1);b=int(rand()*9+1);c[++k":"$a];c[++k":"b]};for(j in c){sub(".*:","",j);d=d?d""j:j};print d;delete c;d=""}}{srand();p(4)}'
复制代码
小写字母和数字数量随机,允许字母或数字重复
- echo {a..z}|awk 'function p(x){for(i=1;i<=x;i++){a=int(rand()*3+1);for(j=1;j<=a;j++){b=int(rand()*24+1);c[++k":"$b]};for(j=1;j<=4-a;j++){d=int(rand()*9+1);c[++k":"d]};for(j in c){sub(".*:","",j);e=e?e""j:j};print e;delete c;e=""}}{srand();p(4)}'
复制代码 |
|