45 lines
1.1 KiB
Bash
45 lines
1.1 KiB
Bash
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#!/bin/sh
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# 20250627
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# A tool script to test a value greater or less than threhold
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data=$1
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direction=$2
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threhold=$3
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param_num=$#
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print_usage(){
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echo " Script Usage"
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echo " ./check_threhold.sh <value> <direction> <threhold>"
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echo " @Param direction : greater , >"
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echo " less , <"
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echo " equal , ="
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echo ""
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echo " E.G. ./check_threhold.sh 500 > 1000"
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echo " +--> Result : 0"
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echo ""
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echo " About Result: 1 means true, 0 means fault"
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echo ""
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}
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main(){
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if [ ${param_num} -ne 3 ];then
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print_usage
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exit 0
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fi
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if [ "${direction}" = "great" ] || [ "${direction}" = ">" ];then
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res= `echo " $data > $threhold" | bc -l`
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elif [ "${direction}" = "less" ] || [ "${direction}" = "<" ];then
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res= `echo " $data < $threhold" | bc -l`
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elif [ "${direction}" = "equal" ] || [ "${direction}" = "=" ];then
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res= `echo " $data = $threhold" | bc -l`
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else
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echo "Invalid direction"
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print_usage
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fi
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echo $res
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}
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main
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