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  2. RPG400-L
  3. January 2021

Re: JSON Data structure

On 2021-01-27 5:14 p.m., Greg Wilburn wrote:
... data-into jsonDoc %DATA( ifsPathname
: 'doc=file case=convert countprefix=num_')
%PARSER( 'YAJLINTO'
: '{ "document_name": "jsonDoc", +
"number_prefix": "YAJL_" }');

...

I would like to do
For x = 1 to num_jsonDoc;
Instead of
For x = 1 to %elem(jsonDoc);
...

Greg, when the target field for XML-INTO or DATA-INTO is an array, you can get the number of elements set by the opcode from the int(20) subfield at position 372 of the PSDS. The doc calls this subfield "Elements set by XML-INTO or DATA-INTO".
https://www.ibm.com/support/knowledgecenter/ssw_ibm_i_74/rzasd/psdsdt9.htm

dcl-ds pgmStat psds;
elements_set int(20) pos(372);
end-ds;


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