38 lines
608 B
Bash
38 lines
608 B
Bash
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#!/bin/bash
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##
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# Displays the current Swatch Internet Time
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#
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# -shaun kerr.
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##
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set -e
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function usage {
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cat <<EOF
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Usage: $0 [-s -h]
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Displays the current Swatch Internet Time
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-s | Do not display fractions
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-h | Show help
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EOF
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}
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while getopts "sh" o; do
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case $o in
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s) fmt="@%03d\n" ;;
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h) usage; exit 0 ;;
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*) usage; exit 1 ;;
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esac
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done
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seconds=$(date -u +"%-S")
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minutes=$(date -u +"%-M")
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hours=$((($(date -u +"%-H")+1)%24))
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if [ -z $fmt ]; then fmt="@%07.3f\n"; fi
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awk -v b="$((seconds + minutes*60 + hours*3600 ))" \
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-v fmt="$fmt" \
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'BEGIN { printf(fmt,b/86.4); }'
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