shell脚本

#!/bin/bash for ((i=1;i<=9;i++)) do for ((j=1;j<=i;j++)) do printf "%d * %d = %d\t" $j $i $[i*j] done echo done

awk命令

awk 'BEGIN{ for (i=1;i<=9; i++) { for (j=1;j<=i;j++) { printf("%d * %d = %d\t", j,i,i*j); } printf("\n"); } }'