JSON processing command line tool based on JSONSelect
Project description
jss is a JSON processing command line tool (like jq).
Unlike jq, its selection language is JSONSelect, which is based on CSS selectors. No need to learn an ad-hoc language for processing your JSON files. Just use one you already know! Your time with jss won’t be wasted—it will make you better at writing CSS selectors.
Usage
$ pip install -g jss
$ cat file.json
{
"foo": [
"bar",
{
"baz": "quux"
}
],
"wut": {
"name": "foo",
"metadata": {
"owner": "danvk",
"blah": "whatever"
}
},
"name": "dan"
}
# Pull out all values with key "name", from anywhere in the JSON.
$ jss .name file.json
"foo"
"dan"
# Remove fields named "metadata", wherever they occur (JSON→JSON transform):
$ jss -v .metadata file.json
{
"foo": [
"bar",
{
"baz": "quux"
}
],
"wut": {
"name": "foo"
},
"name": "dan"
}
# Keep only fields named "name", plus their ancestors (JSON→JSON transform):
$ jss -k .name file.json
{
"wut": {
"name": "foo"
},
"name": "dan"
}
# Keep only top-level entries with "whatever" in some value underneath them:
# (JSON→JSON transform using jQuery-style selectors):
$ jss -k ':root>*:has(:contains("whatever"))' file.json
{
"wut": {
"name": "foo",
"metadata": {
"owner": "danvk",
"blah": "whatever"
}
}
}
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