Question: The following is ionic code to read a file. filesystem.readAsText(this.filesystem.datadirectory,mydata.dat) .then( (txt) => { process(txt); }, (err) => { error(err); } ); What does the

  1. The following is ionic code to read a file.

filesystem.readAsText(this.filesystem.datadirectory,mydata.dat)

.then(

(txt) => { process(txt); },

(err) => { error(err); }

);

What does the readAsText() function return? What happens if the file does not exist

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