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(VBScript) Find and Delete Object from JSON ArrayDemonstrates how to find an delete an object from a JSON array of objects.
Dim fso, outFile Set fso = CreateObject("Scripting.FileSystemObject") 'Create a Unicode (utf-16) output text file. Set outFile = fso.CreateTextFile("output.txt", True, True) ' This example will delete the "Pasta" category object from Menu B. ' { ' "menus": [ ' { ' "name": "Menu A", ' "categories": [ ' { ' "name": "Kebabs", ' "description": "blah blah blah" ' }, ' { ' "name": "Burgers", ' "description": "blah blah blah" ' }, ' { ' "name": "Pasta", ' "description": "blah blah blah" ' }, ' { ' "name": "Appetizers", ' "description": "blah blah blah" ' } ' ] ' }, ' { ' "name": "Menu B", ' "categories": [ ' { ' "name": "Kebabs", ' "description": "blah blah blah" ' }, ' { ' "name": "Burgers", ' "description": "blah blah blah" ' }, ' { ' "name": "Pasta", ' "description": "blah blah blah" ' }, ' { ' "name": "Appetizers", ' "description": "blah blah blah" ' } ' ] ' } ' ] ' } ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject") set json = CreateObject("Chilkat.JsonObject") success = json.LoadFile("qa_data/json/menus.json") If (success = 0) Then outFile.WriteLine(json.LastErrorText) WScript.Quit End If ' Find Menu B. ' menu is a Chilkat.JsonObject Set menu = json.FindRecord("menus","name","Menu B",1) ' assume menu is found.. ' Get the categories array, and then find the index of the "Pasta" menu category. ' catArr is a Chilkat.JsonArray Set catArr = menu.ArrayOf("categories") ' Assume it is found.. ' Find the object where the name of the JSON member is "name", and the value is "Pasta" index = catArr.FindObject("name","Pasta",1) If (index < 0) Then outFile.WriteLine("Pasta not found.") Else ' Delete the "Pasta" category record from Menu B success = catArr.DeleteAt(index) ' Assume OK.. End If ' Examine the JSON to see if it worked as expected.. json.EmitCompact = 0 outFile.WriteLine(json.Emit()) outFile.Close |
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