shell下打印菱形 求助

共有 1 条评论

1. lvlinfeifei 于 2011-11-08 12:30:29发表:

   a() {
   k=1
   while [$k -le $B ]; do
   let k
   echo -n " "
   }
   b() {
   j=1
   while [ $j -le $C ]; do
   let j
   echo -n "*"
   done
   }
   c() {
   s=1
   while [ $s -le $h ]; do
   let s
   echo -n " "
   done
   }
   d() {
   m=1
   while [ $m -le $D ]; do
   let m
   echo -n "*"
   done
   }
   read -p "Please input the number(1-10):" nu
   i=0
   while [ $i -lt $nu ]; do
   let i
   B=`expr $nu -$i`
   C=`expr 2 * $i - 1`
   a
   b
   echo ""
   done
   nua=`expr $nu - 1`
   h=0
   while [ $h -lt $nua ]; do
   let h
   E=`expr 2 * $h - 1`
   D=`expr 2 * $nua -$E`
   c
   d
   echo ""
   done
   
   网上找的。。应该可以。。