32 lines
454 B
Bash
32 lines
454 B
Bash
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#!/bin/bash
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if [[ $# -lt 2 ]]
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then
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echo " Usage : $0 <NUM_ARG1> <NUM_ARG2>"
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exit
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fi
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if [[ $1 -lt 0 ]]
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then
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echo " Arg1 must be positive ! "
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exit
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fi
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if [[ $2 -lt 0 ]]
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then
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echo " Arg2 must be positive ! "
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exit
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fi
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if [[ $1 -gt $2 ]]
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then
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echo " Arg1 must be less than Arg2 !"
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exit
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fi
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for (( i = $1 ; i <= $2 ; i++))
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do
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for (( j = $1 ; j <= $2 ; j++))
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do
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echo -n $(( i * j ))
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echo -ne $"\t"
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done
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echo -e $"\n"
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done
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exit
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