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(New page: ==Function json.remove== '''Introduced in MapTool 1.3b49''' Removes a field from a Macros:json object, or the value at the specified index from a json array. ...) |
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= | {{MacroFunction | ||
|name=json.remove | |||
|version=1.3b49 | |||
|description= | |||
Removes a field from a [[JSON Object]], or the value at the specified index from a [[JSON Array]]. If the field is not present in the [[JSON Object]], it is returned unchanged. If the index does not exist in a [[JSON Array]], a java.lang.IndexOutOfBoundsException is raised. | |||
|usage= | |||
<syntaxhighlight lang="mtmacro" line> | |||
< | |||
[h: jarr = json.remove(jarr, index)] | [h: jarr = json.remove(jarr, index)] | ||
[h: jarr = json.remove(jobj, key)] | [h: jarr = json.remove(jobj, key)] | ||
</ | </syntaxhighlight> | ||
|examples= | |||
< | <syntaxhighlight lang="mtmacro" line> | ||
[h:a=json.fromStrProp("a=1;b=44;c=12")] [r:json.remove(a, "c")] | [h:a=json.fromStrProp("a=1;b=44;c=12")] [r:json.remove(a, "c")] | ||
[h:a=json.fromList("a,1,g,4")][r:json.remove(a,3)] | [h:a=json.fromList("a,1,g,4")][r:json.remove(a,3)] | ||
</ | </syntaxhighlight> | ||
Returns | Returns | ||
{"a":1,"b":44} | {"a":1,"b":44} | ||
["a",1,"g"] | ["a",1,"g"] | ||
}} | |||
[[Category:JSON Function]] | |||
Latest revision as of 23:59, 15 March 2023
json.remove() Function
• Introduced in version 1.3b49
Removes a field from a JSON Object, or the value at the specified index from a JSON Array. If the field is not present in the JSON Object, it is returned unchanged. If the index does not exist in a JSON Array, a java.lang.IndexOutOfBoundsException is raised.
Usage
[h: jarr = json.remove(jarr, index)]
[h: jarr = json.remove(jobj, key)]Examples
[h:a=json.fromStrProp("a=1;b=44;c=12")] [r:json.remove(a, "c")]
[h:a=json.fromList("a,1,g,4")][r:json.remove(a,3)]Returns
{"a":1,"b":44}
["a",1,"g"]