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how to print triange using while loop

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# 1  
Old 07-26-2012
how to print triange using while loop
Hi

pls tell me how to print a print triangle as below
Code:
   
     0
    101
   21012

i am able to print triangle as below
Code:
0 
1 0 
2 1 0 
3 2 1 0 
4 3 2 1 0 
5 4 3 2 1 0 
6 5 4 3 2 1 0 
7 6 5 4 3 2 1 0 
8 7 6 5 4 3 2 1 0 
9 8 7 6 5 4 3 2 1 0

the script which i used for above o/p is mention as below
Code:
#!/bin/ksh
x=0
while [ "$x" -lt 10 ] ; # this is loop1
do
y="$x"
while [ "$y" -ge 0 ] ; # this is loop2
do
echo "$y \c"
y=`echo "$y - 1" | bc`
done
echo
x=`echo "$x + 1" | bc`
done

---------- Post updated at 04:27 PM ---------- Previous update was at 03:15 PM ----------

help me pls
# 2  
Old 07-26-2012
Bug
Code:
var=10
for ((I=1; I <= $var ; I++));
do
md=`expr $var - $I + 1`

for((i=1;i<$md;i++));do printf "%s" " ";done;
for((k=$md;k<=$var;k++));do printf "%s" "$k";done;
for((t=($var-1);t>=$md;t--));do printf "%s" "$t";done;printf "\n"

done

output is--

Code:
         10
        9109
       891098
      78910987
     6789109876
    567891098765
   45678910987654
  3456789109876543
 234567891098765432
12345678910987654321

# 3  
Old 07-26-2012
thx for the response
but i need to create only using while loop
# 4  
Old 07-27-2012
Java
hi

i need to know how to print triangle using while loop only.
need to know in simple form as i am a beginner to shell
# 5  
Old 07-27-2012
This is clearly homework. Closed
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