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How to use jq when the variable has reserved characters?
(3 answers)
Closed 6 months ago.
I have a JSON file that I am trying to query with jq. I am unable to retrieve the observations. I am trying to retieve each of the "observations using the following command and not able to get to the result:
cat sample3.json | jq .dataSets[0].series.0:0:0:0:0.observations.0[0]
I am able to retieve up to the series using:
cat sample3.json | jq .dataSets[0].series
But once I try to drill down further I am getting a compile error:
$ cat sample3.json | jq .dataSets[0].series.0:0:0:0:0
jq: error: syntax error, unexpected LITERAL, expecting end of file (Unix shell quoting issues?) at <top-level>, line 1:
.dataSets[0].series.0:0:0:0:0
jq: 1 compile error
I am not sure what I am doing wrong here....
The input file is:
{
"header": {
"id": "b8be2cd5-33bf-4687-9e81-eb032f6f8a71",
"test": false,
"prepared": "2022-09-01T13:30:57.013+02:00",
"sender": {
"id": "ECB"
}
},
"dataSets": [
{
"action": "Replace",
"validFrom": "2022-09-01T13:30:57.013+02:00",
"series": {
"0:0:0:0:0": {
"attributes": [
0,
null,
0,
null,
null,
null,
null,
null,
null,
null,
null,
null,
0,
null,
0,
null,
0,
0,
0,
0
],
"observations": {
"0": [
1.4529,
0,
0,
null,
null
],
"1": [
1.4472,
0,
0,
null,
null
],
"2": [
1.4591,
0,
0,
null,
null
]
}
}
}
}
],
"structure": {
"links": [
{
"title": "Exchange Rates",
"rel": "dataflow",
"href": "https://sdw-wsrest.ecb.europa.eu:443/service/dataflow/ECB/EXR/1.0"
}
],
"name": "Exchange Rates",
"dimensions": {
"series": [
{
"id": "FREQ",
"name": "Frequency",
"values": [
{
"id": "D",
"name": "Daily"
}
]
},
{
"id": "CURRENCY",
"name": "Currency",
"values": [
{
"id": "AUD",
"name": "Australian dollar"
}
]
},
{
"id": "CURRENCY_DENOM",
"name": "Currency denominator",
"values": [
{
"id": "EUR",
"name": "Euro"
}
]
},
{
"id": "EXR_TYPE",
"name": "Exchange rate type",
"values": [
{
"id": "SP00",
"name": "Spot"
}
]
},
{
"id": "EXR_SUFFIX",
"name": "Series variation - EXR context",
"values": [
{
"id": "A",
"name": "Average"
}
]
}
],
"observation": [
{
"id": "TIME_PERIOD",
"name": "Time period or range",
"role": "time",
"values": [
{
"id": "2022-08-29",
"name": "2022-08-29",
"start": "2022-08-29T00:00:00.000+02:00",
"end": "2022-08-29T23:59:59.999+02:00"
},
{
"id": "2022-08-30",
"name": "2022-08-30",
"start": "2022-08-30T00:00:00.000+02:00",
"end": "2022-08-30T23:59:59.999+02:00"
},
{
"id": "2022-08-31",
"name": "2022-08-31",
"start": "2022-08-31T00:00:00.000+02:00",
"end": "2022-08-31T23:59:59.999+02:00"
}
]
}
]
},
"attributes": {
"series": [
{
"id": "TIME_FORMAT",
"name": "Time format code",
"values": [
{
"name": "P1D"
}
]
},
{
"id": "BREAKS",
"name": "Breaks",
"values": []
},
{
"id": "COLLECTION",
"name": "Collection indicator",
"values": [
{
"id": "A",
"name": "Average of observations through period"
}
]
},
{
"id": "COMPILING_ORG",
"name": "Compiling organisation",
"values": []
},
{
"id": "DISS_ORG",
"name": "Data dissemination organisation",
"values": []
},
{
"id": "DOM_SER_IDS",
"name": "Domestic series ids",
"values": []
},
{
"id": "PUBL_ECB",
"name": "Source publication (ECB only)",
"values": []
},
{
"id": "PUBL_MU",
"name": "Source publication (Euro area only)",
"values": []
},
{
"id": "PUBL_PUBLIC",
"name": "Source publication (public)",
"values": []
},
{
"id": "UNIT_INDEX_BASE",
"name": "Unit index base",
"values": []
},
{
"id": "COMPILATION",
"name": "Compilation",
"values": []
},
{
"id": "COVERAGE",
"name": "Coverage",
"values": []
},
{
"id": "DECIMALS",
"name": "Decimals",
"values": [
{
"id": "4",
"name": "Four"
}
]
},
{
"id": "NAT_TITLE",
"name": "National language title",
"values": []
},
{
"id": "SOURCE_AGENCY",
"name": "Source agency",
"values": [
{
"id": "4F0",
"name": "European Central Bank (ECB)"
}
]
},
{
"id": "SOURCE_PUB",
"name": "Publication source",
"values": []
},
{
"id": "TITLE",
"name": "Title",
"values": [
{
"name": "Australian dollar/Euro"
}
]
},
{
"id": "TITLE_COMPL",
"name": "Title complement",
"values": [
{
"name": "ECB reference exchange rate, Australian dollar/Euro, 2:15 pm (C.E.T.)"
}
]
},
{
"id": "UNIT",
"name": "Unit",
"values": [
{
"id": "AUD",
"name": "Australian dollar"
}
]
},
{
"id": "UNIT_MULT",
"name": "Unit multiplier",
"values": [
{
"id": "0",
"name": "Units"
}
]
}
],
"observation": [
{
"id": "OBS_STATUS",
"name": "Observation status",
"values": [
{
"id": "A",
"name": "Normal value"
}
]
},
{
"id": "OBS_CONF",
"name": "Observation confidentiality",
"values": [
{
"id": "F",
"name": "Free"
}
]
},
{
"id": "OBS_PRE_BREAK",
"name": "Pre-break observation value",
"values": []
},
{
"id": "OBS_COM",
"name": "Observation comment",
"values": []
}
]
}
}
}
The .foo syntax cannot be used if the key name has anything but alphanumeric characters or the underscore, or if the first character of the key name is numeric.
Assuming you are using a recent version of jq,
you can always use the form: ."foo", which is actually an abbreviation of the basic form, .["foo"].
So assuming you're using a sufficiently recent version of jq, your query could begin with:
.dataSets[0].series."0:0:0:0:0"
If you are presenting the jq query on a command line, then you may have to escape the double-quotes appropriately, e.g. in a bash shell, by enclosing the jq query in single-quotes.
I have an elastic search index
like
{
"title": "A",
"comments": [
{
"id": "1"
},
{
"id": "2"
}
]
},
{
"title": "B",
"comments": [
{
"id": "1"
},
{
"id": "3"
}
]
},
{
"title": "C",
"comments": [
{
"id": "7"
},
{
"id": "3"
}
]
}
I want to collapse is the group by the nested object. In the above JSON, I want to group it by Id.
So the output will be like
hits:[{
"title": "A",
"comments": [
{
"id": "1"
},
{
"id": "2"
}
]
},
inner_hits {[
{
"title": "A",
"comments": [
{
"id": "1"
},
{
"id": "2"
}
]
},
{
"title": "B",
"comments": [
{
"id": "1"
},
{
"id": "3"
}
]
}
]}
}]
Baiscally I need collapse bases on the nested object property.
Tried this
/_search?track_total_hits=true
{
"collapse": {
"field": "comments.id",
"inner_hits": {
"name": "id",
"size": 10
},
"max_concurrent_group_searches": 3
}
}
But its always returing first object only in the inner hits
Within the mapping of the object comments , you should remove the nested type.
can someone please send me solution or link for PowerShell 5 and 7 how can I access child elements if specific condition is fulfilled for JSON file which I have as output.json. I haven't find it on the net.
I want to retrieve value of the "children" elements if type element has value FILE and to put that into some list. So final result should be [test1.txt,test2.txt]
Thank you!!!
{
"path": {
"components": [
"Packages"
],
"parent": "",
"name": "Packages",
},
"children": {
"values": [
{
"path": {
"components": [
"test1.txt"
],
"parent": "",
"name": "test1.txt",
},
"type": "FILE",
"size": 405
},
{
"path": {
"components": [
"test2.txt"
],
"parent": "",
"name": "test2.txt",
},
"type": "FILE",
"size": 409
},
{
"path": {
"components": [
"FOLDER"
],
"parent": "",
"name": "FOLDER",
},
"type": "DIRECTORY",
"size": 1625
}
]
"start": 0
}
}
1.) The json is incorrect, I assumt that this one is the correct one:
{
"path": {
"components": [
"Packages"
],
"parent": "",
"name": "Packages"
},
"children": {
"values": [
{
"path": {
"components": [
"test1.txt"
],
"parent": "",
"name": "test1.txt"
},
"type": "FILE",
"size": 405
},
{
"path": {
"components": [
"test2.txt"
],
"parent": "",
"name": "test2.txt"
},
"type": "FILE",
"size": 409
},
{
"path": {
"components": [
"FOLDER"
],
"parent": "",
"name": "FOLDER"
},
"type": "DIRECTORY",
"size": 1625
}
],
"start": 0
}
}
2.) The structure is not absolute clear, but for your example this seems to me to be the correct solution:
$element = $json | ConvertFrom-Json
$result = #()
$element.children.values | foreach {
if ($_.type -eq 'FILE') { $result += $_.path.name }
}
$result | ConvertTo-Json
Be aware, that the used construct $result += $_.path.name is fine if you have up to ~10k items, but for very large items its getting very slow and you need to use an arraylist. https://adamtheautomator.com/powershell-arraylist/
I have the following node.js code where I want to extract the value "abc" chosen by user as a name. I get result as undefined when I run this code:
let input= [
{
"param": [
{
"id": "name",
"choice": [
{
"label": "abc",
"value": "abc",
"valueId": "abc"
}
]
},
{
"id": "alias",
"choice": [
{
"label": "dsf",
"value": "dsf",
"valueId": "dsf"
}
]
},
{
"id": "description",
"choice": [
{
"label": "",
"value": "",
"valueId": ""
}
]
},
{
"id": "Key",
"choice": [
{
"label": "K",
"value": "K",
"valueId": "K"
}
]
},
{
"id": "tagKey",
"choice": [
{
"label": "",
"value": "",
"valueId": ""
}
]
},
{
"id": "tagValue",
"choice": [
{
"label": "",
"value": "",
"valueId": ""
}
]
},
{
"id": "multiquantity",
"choice": [
{
"label": "1",
"valueId": "1",
"value": "1"
}
]
}
],
"old": [],
"current": null
}
]
let result = (_.find(input.param, {id: "name"})).choice[0].valueId;
console.log("value"+result);
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.min.js"></script>
Seems that the logic is not able to extract the correct value. I need the output as abc. please help
I have a problem to find out only a determined value in a json using jsonpath.
I have this json:
{"tvs": {
{ "tv": [
{
"serial": "HD1300",
"data": [
{
"title": "manufacturer",
"value": "lg"
},
{
"title": "color",
"value": "silver"
},
{
"title": "inches",
"value": 32
},
{
"title": "connection",
"value": 220
},
{
"title": "connection",
"value": 400
}
]
}.. more tvs
And I want to know if the value connection:400 is present for serial hd1300
I already tried with:
$.tvs.[?(#.serial=='hd1340')].data.[?(#.title== 'connection'),(#.value==400)]
But my problem is that I retrieve also the "connection" with 200. How can I filter to get only this value?
I think you might have an error in your JSON (extra brace between tvs and tv). I was able to get this to work on http://jsonpath.com.
{"tvs":
{ "tv": [
{
"serial": "HD1300",
"data": [
{
"title": "manufacturer",
"value": "lg"
},
{
"title": "color",
"value": "silver"
},
{
"title": "inches",
"value": 32
},
{
"title": "connection",
"value": 220
},
{
"title": "connection",
"value": 400
}
]}
]}
}
$.tvs.tv.[?(#.serial=='HD1300')].data.[?(#.title=='connection' && #.value=='400')]