摘要:
#!/bin/bashread -p "input the length: " n for i in `seq 1 $n`do for ((j=$n;j>=$i;j--)) do echo -n " " done for((m=1;m<=$i;m++)) do echo -n "* " done e 阅读全文
摘要:
#!/bin/bashread -p "input the length: " n方法一:内循环中的一个for循环shell写法for i in `seq 1 $n`do for m in `seq 1 $i` do echo -n " " done for ((j=$n;j>=i;j--)) do 阅读全文