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#!/bin/bash
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#
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# utils.bash
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#
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# v0.0.1 - 2018-02-07 - nelbren@nelbren.com
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# v0.0.2 - 2018-02-08 - nelbren@nelbren.com
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# v0.0.3 - 2018-04-09 - nelbren@nelbren.com
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# v0.0.4 - 2018-05-23 - nelbren@nelbren.com
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# v0.0.5 - 2018-05-23 - nelbren@nelbren.com - replace bc -> perl
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# v0.0.6 - 2020-01-29 - nelbren@nelbren.com - fix convert_from_seconds_to
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#
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get_hostname() {
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host=$(hostname --fqdn)
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if [ "$host" == "localhost.localdomain" ]; then
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host0=$(hostname)
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host1=$(grep domain /etc/resolv.conf | cut -d" " -f2)
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host=$host0.$host1
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fi
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echo $host
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}
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convert_from_seconds_to() {
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measure[0]='d'; measure[1]='h'; measure[2]='m'; measure[3]='s'
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value=$1
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# 3600 * 24hours = 86400 seconds contains 1 day
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contains=86400
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#days=$(echo -e "scale=0\n${value}/$contains" | bc)
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days=$(echo print "${value}/$contains" | perl)
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if [ "$days" == "0" ]; then
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output=""
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days_seconds=0
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else
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output="${days}${measure[0]}"
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#days_seconds=$(echo -e "scale=0\n${days}*$contains" | bc)
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days_seconds=$(echo print "${days}*$contains" | perl)
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fi
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# 60seconds * 60minutes = 3600 seconds contains 1 hora
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contains=3600
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#hours=$(echo -e "scale=0\n(${value}-$days_seconds)/$contains" | bc)
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hours=$(echo print "(${value}-$days_seconds)/$contains" | perl)
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if [ "$hours" == "0" ]; then
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hours_seconds=0
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else
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if [ -n "$output" ]; then
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output="${output}${hours}${measure[1]}"
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else
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output="${hours}${measure[1]}"
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fi
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#hours_seconds=$(echo -e "scale=0\n${hours}*$contains" | bc)
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hours_seconds=$(echo print "${hours}*$contains" | perl)
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fi
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# 60seconds * 1minuto = 60 seconds contains 1 minuto
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contains=60
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#minutes=$(echo -e "scale=0\n(${value}-$days_seconds-$hours_seconds)/$contains" | bc)
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minutes=$(echo print "(${value}-$days_seconds-$hours_seconds)/$contains" | perl)
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if [ "$minutes" == "0" ]; then
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minutes_seconds=0
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else
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if [ -n "$output" ]; then
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output="${output}$minutes${measure[2]}"
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else
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output="${minutes}${measure[2]}"
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fi
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#minutes_seconds=$(echo -e "scale=0\n${minutes}*$contains" | bc)
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minutes_seconds=$(echo print "${minutes}*$contains" | perl)
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fi
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#seconds=$(echo -e "scale=0\n${value}-$days_seconds-$hours_seconds-$minutes_seconds" | bc)
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seconds=$(echo print "${value}-$days_seconds-$hours_seconds-$minutes_seconds" | perl)
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if [ "$seconds" == "0" ]; then
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seconds_seconds=0
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output="${value}${measure[3]}"
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else
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if [ -n "$output" ]; then
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output="${output}${seconds}${measure[3]}"
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else
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output="${seconds}${measure[3]}"
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fi
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fi
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echo $output
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}
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diff_seconds() {
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past_time=$1
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current_time=$2
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echo $(( $(date --date="$current_time" +%s) - $(date --date="$past_time" +%s) ))
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}
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