shell脚本实例

Posted 2020-11-25 kumunotes

1.打印形状

 1 #!/bin/bash
 2 # 打印等腰三角形
 3 read -p "Please input the length: " n
 4 for i in `seq 1 $n`
 5 do
 6    for ((j=$n;j>i;j--))
 7    do
 8      echo -n " " 
 9    done
10 
11    for m in `seq 1 $i`
12    do
13      echo -n "* "
14    done
15    echo 
16 done