五角星shell脚本

五角星的Shell脚本可以用来打印一个五角星图案。下面是一个示例的五角星Shell脚本：

#!/bin/bash
# 打印五角星
echo "输出五角星图案"
for (( i1=1;i1<6;i1 )) # 这是五角星的上面一个角
do
let c=19-$i1
for (( j1=1;$j1<$c;j1 )) # 这是空格
do
echo -n " "
done
let d=2*$i1-1
for (( k1=1;$k1<=$d;k1 )) # 这是“*”
do
echo -n "*"
done
echo
done

for (( i2=1;i2<5;i2 )) # 这是五角星的中间两个角
do
let e=3*$i2-3
for (( j2=1;$j2<$e;j2 ))
do
echo -n " "
done
let f=42-6*$i2
for (( k2=1;$k2<=$f;k2 ))
do
echo -n "*"
done
echo
done

for (( i3=1;i3<3;i3 )) # 这是中间与下部相接的部分
do
let g=12-$i3
for (( j3=1;j3<$g;j3 ))
do
echo -n " "
done
let h=12+2*$i3
for (( k3=1;k3<=$h;k3 ))
do
echo -n "*"
done
echo
done

for (( i4=1;i4<5;i4 )) # 这是五角星的下面两个角
do
let o=10-$i4
for (( j4=1;j4<$o;j4 ))
do
echo -n " "
done
let p=10-2*$i4
for (( k4=1;k4<=$p;k4 ))
do
echo -n "*"
done
let q=6*$i4-3
for (( m4=1;m4<$q;m4 ))
do
echo -n " "
done
for (( n4=1;n4<=$p;n4 ))
do
echo -n "*"
done
echo
done

echo " * *" # 盖上角 最后是这么个结果

此Shell脚本可以在bash环境下运行，打印出一个五角星图案。它使用了循环和条件语句来控制空格和星号的输出位置，从而形成五角星的形状。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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