九九乘法表脚本

[[email protected]_zilong jb]# sh 9x9.sh 
1x1=1	
1x2=2	2x2=4	
1x3=3	2x3=6	3x3=9	
1x4=4	2x4=8	3x4=12	4x4=16	
1x5=5	2x5=10	3x5=15	4x5=20	5x5=25	
1x6=6	2x6=12	3x6=18	4x6=24	5x6=30	6x6=36	
1x7=7	2x7=14	3x7=21	4x7=28	5x7=35	6x7=42	7x7=49	
1x8=8	2x8=16	3x8=24	4x8=32	5x8=40	6x8=48	7x8=56	8x8=64	
1x9=9	2x9=18	3x9=27	4x9=36	5x9=45	6x9=54	7x9=63	8x9=72	9x9=81	

1x1=1	
2x1=2	2x2=4	
3x1=3	3x2=6	3x3=9	
4x1=4	4x2=8	4x3=12	4x4=16	
5x1=5	5x2=10	5x3=15	5x4=20	5x5=25	
6x1=6	6x2=12	6x3=18	6x4=24	6x5=30	6x6=36	
7x1=7	7x2=14	7x3=21	7x4=28	7x5=35	7x6=42	7x7=49	
8x1=8	8x2=16	8x3=24	8x4=32	8x5=40	8x6=48	8x7=56	8x8=64	
9x1=9	9x2=18	9x3=27	9x4=36	9x5=45	9x6=54	9x7=63	9x8=72	9x9=81	
[[email protected]_zilong jb]# cat 9x9.sh 
#!/bin/bash
for j in {1..9};do
  for i in `seq $j`;do
echo -e "\E[1;$[RANDOM%7+31]m${i}x${j}=$[i*j]\E[0m\t\c"
done
echo 
done


for ((i=1;i<=9;i++));do
for ((j=1;j<=i;j++));do
printf "\E[1;$[RANDOM%7+31]m${i}x${j}=$[i*j]\E[0m\t"
done
printf "\n"
done

[[email protected]_zilong jb]#