36 lines
1.1 KiB
Bash
36 lines
1.1 KiB
Bash
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#!/usr/bin/env bash
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# This script is intended to simplify comparison of NUT data dumps,
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# such as those collected by drivers with `-d 1` argument, or by
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# the `upsc` client, ignoring irrelevant variations (e.g. numbers).
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#
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# TODO: Make more portable than bash and GNU toolkits
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#
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# Subject to same license as the NUT Project.
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#
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# Copyright (C)
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# 2022 Jim Klimov <jimklimov+nut@gmail.com>
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#
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if [ $# = 2 ] && [ -s "$1" ] && [ -s "$2" ]; then
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echo "=== $0: comparing '$1' (-) vs '$2' (+)" >&2
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else
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echo "=== $0: aborting: requires two filenames to compare as arguments" >&2
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exit 1
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fi
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# Pre-sort just in case:
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DATA1="`sort -n < "$1"`"
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DATA2="`sort -n < "$2"`"
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# Strip away same-context lines,
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# and lines with measurements that are either decimal numbers
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# or multi-digit numbers without a decimal point (assuming
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# differences in shorter numbers or counters may be important)
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diff -bu <(echo "$DATA1") <(echo "$DATA2") \
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| grep -E '^[+-][^+-]' \
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| grep -vE '^[^:]*(power|load|voltage|current|frequency|temperature|humidity): ([0-9][0-9]*|[0-9][0-9]*\.[0-9][0-9]*)$'
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# Note: up to user to post-filter, "^driver.version.*:"
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# may be deemed irrelevant as well
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