#!/bin/bash


function fun {
expression=""
counter=1
measure=""
IFS==
declare -a Array=($1)
IFS=' '
a="${Array[1]}"
a=${a:0:-2}
declare -a Mass=($a)
	for j in "${Mass[@]}"; do
	cur=$j
		if [[ $cur == '-' ]]; then
		expression="$expression""$cur"
		counter=1
			elif [[ $cur == '+' ]]; then
			expression="$expression""$cur"
			counter=1
				else
					if [[ $counter = "0" ]]; then
					expression="+""$expression"
					fi
		curNumber=$(expr match "${cur}" '\([0-9]*\)')
		curNumLen=${#curNumber}
		curLen=${#cur}
		let " razn = $curLen - $curNumLen "
		measure=${cur:curNumLen:razn}
			if [[ $measure == "s" ]];then
			expression="$expression""$curNumber"
			elif [[ $measure == "min" ]]; then
			expression="$expression""$curNumber""*60"
			elif [[ $measure == "h" ]]; then
			expression="$expression""$curNumber""*60*60"
			elif [[ $measure == "d" ]]; then
			expression="$expression""$curNumber""*60*60*24"
				elif [[ $measure == "mm" ]]; then
				expression="$expression""$curNumber""/1000"
				elif [[ $measure == "sm" ]]; then
				expression="$expression""$curNumber""/100"
				elif [[ $measure == "dm" ]]; then
				expression="$expression""$curNumber""/10"
				elif [[ $measure == "m" ]]; then
				expression="$expression""$curNumber"
				elif [[ $measure == "km" ]]; then
				expression="$expression""$curNumber""*1000"
				elif [[ $measure == "mg" ]]; then
				expression="$expression""$curNumber""/1000000"
					elif [[ $measure == "g" ]]; then
					expression="$expression""$curNumber""/1000"
					elif [[ $measure == "kg" ]]; then
					expression="$expression""$curNumber"
					elif [[ $measure == "t" ]]; then
					expression="$expression""$curNumber""*1000"
					else
					echo " error at line $i : $1"
					return
			fi
		fi
	done
t=`bc -l <<<"scale=9;$expression"`
	if [[ "$t" = .* ]]; then
	t="0$t"
fi
echo "${Array[0]}""=""$t"
}
if [[ $1 = "-h" || $1 = "--help" ]]; then
	echo This prog counts and displays measures in standard form
	echo "(seconds, kilograms, meters)"
	elif [ -f $1 ]; then
	FILE=$1
	while read LINE; do
	let "i=i+1"
		fun "$LINE"" "
		done < $1
	else echo This file does not exist
	fi