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This API fetches the record specified by the search argument from the file.

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• search argument
  The value can be a number, string, or array value specifying a relative record number (RRN), key value, or list of key values (array of number/string).

• don't lock (optional)
  A boolean true can be passed to avoid locking the record if the file is open for update/delete. If this parameter is set to boolean false or omitted records will be locked for update/delete files.

• record format name (optional)
  A string value specifying the record format name can be passed.

• input data structure (optional)
  A Profound.js data structure reference can be passed. 
   If specified, the referenced data structure will be populated with the record data. If the data structure is not qualified, you must wrap the parameter with the pjs.ds() API.

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pjs.defineTable("myfile", { keyed: true, read: true });
myfile.getRecord(101);
if (myfile.found())
  doSomething();

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