ijq - interactive jq

ijq

#!/bin/sh
#
# ijq - interactive jq
#
# usage: ijq [jq options] < file
#
#   e.g. curl ... | ijq | tee output.json
#
# Copyright (c) 2023 Akinori MUSHA
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

set -e

json=$(mktemp "${TMPDIR:-/tmp}/${0##*/}.XXXXXX")
cleanup () {
    rm -f "$json"
}
trap cleanup 1 2 3 15

sq_quote () {
    awk -v q="'" '
        BEGIN {
            n = ARGC - 1
            for (i = 1; i <= n; i++) {
                s = ARGV[i]
                gsub(q, q "\\" q q, s)
                printf " %s%s%s", q, s, q
            }
            exit 0
        }
    ' "$@"
}

(
    set -e
    cat >"$json"
    qargs=$(sq_quote "$@")
    query=$(
        FZF_DEFAULT_COMMAND=true \
            fzf --print-query --sync --query=. \
            --preview-window=up,99%,border-none \
            --no-info --no-separator \
            --preview "jq -C {q} $qargs $json || jq -C . $json"
    ) || case $? in 130) exit 130; esac

    echo "jq$(sq_quote "$@" "$query")" >&2
    jq "$@" "$query" "$json"
)
ret=$?
cleanup
exit $ret