Created
May 9, 2018 01:35
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tool for comparing two json documents
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#!/usr/bin/env bash | |
set -eu -o pipefail | |
if [ "$#" -lt 2 ] | |
then | |
echo "USAGE: json-diff [DIFF_OPTIONS] PATH1 PATH2" 1>&2 | |
exit 2 | |
fi | |
args=("$@") | |
file1=${args[$(( $# - 2 ))]} | |
file2=${args[$(( $# - 1 ))]} | |
unset args[$(( $# - 1 ))] | |
unset args[$(( $# - 2 ))] | |
normalized1=$(mktemp) | |
normalized2=$(mktemp) | |
function cleanup { | |
rm -f "$normalized1" "$normalized2" | |
} | |
trap cleanup ERR | |
function cleanup_and_exit { | |
cleanup | |
exit "$1" | |
} | |
if ! python3 -mjson.tool --sort-keys < "$file1" > "$normalized1" | |
then | |
cleanup_and_exit 2 | |
fi | |
if ! python3 -mjson.tool --sort-keys < "$file2" > "$normalized2" | |
then | |
cleanup_and_exit 2 | |
fi | |
set +u | |
diff "${args[@]}" "$normalized1" "$normalized2" | |
diff_retval=$? | |
set -u | |
cleanup_and_exit "$diff_retval" |
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