2023-08-30 / Add-ons

Converter (File to Base64String)

Converter: File to Base64String

Converts file type data to Base 64 encoded string type data. If there are multiple files in File-type data, or if the file size exceeds 10 MB the data will not be converted.

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Configs for this Auto Step
conf_file
A: Converted files (1 file fixed, less than 10MB) *
conf_base64String
B: String after Base64 conversion (updated) *
Script (click to open)


main();
function main(){
//// == Config Retrieving ==
const dataId_file         = configs.get( "conf_file" );
const dataId_base64String = configs.get( "conf_base64String" );

//// == Calculating ==
const files = engine.findDataByNumber( dataId_file );
let text = "";

if (files.size() != 1) {
  throw `File count invalid.`;
}

const file = files.get(0);

if (file.getLength() > 10485760) {
  throw `File size over.`;
}

fileRepository.readFile(file, 3145728, function(bytes) {
  text += base64.encodeToString(bytes);
});

engine.setDataByNumber( dataId_base64String, text );

}

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warning This is freely-modifiable JavaScript (ECMAScript) code. No warranty of any kind.
(Installation of add-on automated processes is only available in the Professional edition)

Notes

  • An error occurs if there are zero or more than two files included in the File-type data. An error is generated if the file size exceeds 10MB.

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See Also

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