53 lines
1.5 KiB
Plaintext
53 lines
1.5 KiB
Plaintext
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#!/bin/bash
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#===============================================================================
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# Flight details starting 2017-12-24
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# Edinburgh (EDI) to Doha (DOH)
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# Doha (DOH) to Auckland (AKL)
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#
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# Departure EDI: 14:55 (+0000)
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# Arrival DOH: 12:55 (+0300)
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# Flight time: 6hr 55min
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#
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# Connection: 1hr 40min
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#
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# Departure DOH: 02:25 (+0300)
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# Arrival AKL: 05:00 (+1300)
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# Flight time: 16hr 10min
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#===============================================================================
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minutes () {
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local hhmm="${1:?Usage: minutes time variable}"
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local -n ref="${2:?Usage: minutes time variable}"
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local hh mm
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hh=${hhmm%%:*}
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mm=${hhmm##*:}
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ref=$((hh * 60 + mm))
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}
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echo "Outward flights:"
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dep_edi="$(date -Iminutes -d "2017-12-24 14:55")"
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minutes '6:55' flight1
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arr_doh=$(date -Iminutes -d "$dep_edi + $flight1 minutes")
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printf "%-20s %s\n" "Leave Edinburgh at" "$(date -d "$dep_edi" '+%F %R %z')"
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printf "%-20s %s\n\n" "Arrive Doha at" "$(date -d "$arr_doh" '+%F %R %z')"
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minutes '1:40' doha # connection
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dep_doh=$(date -Iminutes -d "$arr_doh + $doha minutes")
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minutes '16:10' flight2
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arr_akl=$(date -Iminutes -d "$dep_doh + $flight2 minutes")
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printf "%-20s %s\n" "Leave Doha at" "$(date -d "$dep_doh" '+%F %R %z')"
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printf "%-20s %s\n\n" "Arrive Auckland at" "$(date -d "$arr_akl" '+%F %R %z')"
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printf "%-20s %s\n" "New Zealand time" \
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"$(TZ="Pacific/Auckland" date -d "$(date -Iminutes -d "$arr_akl")" '+%F %R %z')"
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dur=$((flight1 + doha + flight2))
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printf "%-20s %s\n" "Duration" "$((dur/60))hr $((dur%60))min"
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