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Author Topic: JSON DIM LOAD  (Read 409 times)

bteixeira

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JSON DIM LOAD
« on: September 15, 2021, 09:44:24 AM »
If I have a JSON array that's basically different records something like:

[{"name":"Alice","type":"A","balance":"123.45"},{"name":"Bob","type":"A","balance":"6543.21","extra-field":"1","extra2":"2"}]

if I do

dim load array${all}=json$

The results are:
array$["1.name"]="Alice"
array$["1.type"]="A"
array$["1.balance"]="123.45"
array$["2.name"]="Bob"
array$["2.type"]="A"
array$["2.balance"]="6543.21"
array$["2.extra-field"]="1"
array$["2.extra2"]="2"

What I'm looking for is a way to get the JSON string of the whole first element.  So something like
array$["1"]="{""name"":""Alice"",""type"":""A"",""balance"":""123.45""}"

Is there a way to do that?

Mike King

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Re: JSON DIM LOAD
« Reply #1 on: September 15, 2021, 10:28:42 AM »
There is no "Magic" way to extract the first element only.

My suggestion would be to copy the elements whose name start with "1." to another array as in:

  json$="[{'name':'Alice','type':'A','balance':'123.45'},{'name':'Bob','type':'A','balance':'6543.21','extra-field':'1','extra2':'2'}]"
  dim load array${all}=json$
  dim one$
  for k$ index array${all}
  if mid(k$,1,2)="1." \
   then one$[k$(3)]=array$[k$]
  next k$
  json1$=dim(list one${all})
  print json1$

->run
{"name":"Alice","type":"A","balance":"123.45"}