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FilesDataSource

Defined in: js-api/src/dapi.ts:2362

Provides access to file operations in the Datagrok file system.

Allows reading, writing, listing, and managing files and directories in user file shares and data connections.

Access via grok.dapi.files.

Example​

// List files
const files = await grok.dapi.files.list('System:AppData/MyApp');

// Read a file
const content = await grok.dapi.files.readAsText('System:AppData/MyApp/config.json');

// Write a file
await grok.dapi.files.writeAsText('System:AppData/MyApp/output.txt', 'Hello, World!');

Constructors​

Constructor​

new FilesDataSource(root?): FilesDataSource

Defined in: js-api/src/dapi.ts:2364

Parameters​

ParameterTypeDefault value
rootstring''

Returns​

FilesDataSource

Methods​

createDirectory()​

createDirectory(file): Promise<void>

Defined in: js-api/src/dapi.ts:2520

Creates directory Sample: https://public.datagrok.ai/js/samples/dapi/files

Parameters​

ParameterType
filestring | FileInfo

Returns​

Promise<void>


delete()​

delete(file): Promise<void>

Defined in: js-api/src/dapi.ts:2386

Deletes a file. Sample: https://public.datagrok.ai/js/samples/dapi/files

Parameters​

ParameterType
filestring | FileInfo

Returns​

Promise<void>


exists()​

exists(file): Promise<boolean>

Defined in: js-api/src/dapi.ts:2370

Checks if a file exists. Sample: https://public.datagrok.ai/js/samples/dapi/files

Parameters​

ParameterType
filestring | FileInfo

Returns​

Promise<boolean>


list()​

Call Signature​

list(file, options?): Promise<FileInfo[]>

Defined in: js-api/src/dapi.ts:2415

Lists files according to a search pattern. Sample: https://public.datagrok.ai/js/samples/dapi/files

Parameters​
ParameterTypeDescription
filestring | FileInfofolder
options?FileListOptions-
Returns​

Promise<FileInfo[]>

Call Signature​

list(file, recursive?, searchPattern?): Promise<FileInfo[]>

Defined in: js-api/src/dapi.ts:2416

Lists files according to a search pattern. Sample: https://public.datagrok.ai/js/samples/dapi/files

Parameters​
ParameterTypeDescription
filestring | FileInfofolder
recursive?booleanwhether to search in folders recursively
searchPattern?string | nullsearch pattern, such as part of a filename or extension, e.g., "filename-prefix" and "csv"
Returns​

Promise<FileInfo[]>


move()​

move(files, newPath): Promise<void>

Defined in: js-api/src/dapi.ts:2393

Moves a file. Sample: https://public.datagrok.ai/js/samples/dapi/files

Parameters​

ParameterType
filesstring[] | FileInfo[]
newPathstring

Returns​

Promise<void>


readAsBytes()​

readAsBytes(file): Promise<Uint8Array<ArrayBufferLike>>

Defined in: js-api/src/dapi.ts:2501

Reads a file as bytes. Sample: https://public.datagrok.ai/js/samples/dapi/files

Parameters​

ParameterType
filestring | FileInfo

Returns​

Promise<Uint8Array<ArrayBufferLike>>


readAsText()​

readAsText(file): Promise<string>

Defined in: js-api/src/dapi.ts:2488

Reads a file as string. Sample: https://public.datagrok.ai/js/samples/dapi/files

Parameters​

ParameterType
filestring | FileInfo

Returns​

Promise<string>


readBinaryDataFrames()​

readBinaryDataFrames(file): Promise<DataFrame[]>

Defined in: js-api/src/dapi.ts:2507

Reads a d42 file as a list of dataframes.

Parameters​

ParameterType
filestring | FileInfo

Returns​

Promise<DataFrame[]>


readCsv()​

readCsv(file, options?): Promise<DataFrame>

Defined in: js-api/src/dapi.ts:2495

Reads CSV as DataFrame. Sample: https://public.datagrok.ai/js/samples/dapi/files

Parameters​

ParameterType
filestring | FileInfo
options?CsvImportOptions

Returns​

Promise<DataFrame>


readFilesAsBlobs()​

readFilesAsBlobs(folder, recursive?, ext?): Promise<{[key: string]: Blob; }>

Defined in: js-api/src/dapi.ts:2428

Reads the entire contents of a folder and returns an object. The resulting object's keys are the file names relative to the folder path, and the corresponding values are of the Blob type.

Parameters​

ParameterTypeDefault valueDescription
folderstring | FileInfoundefined-
recursivebooleanfalsewhether to read files in folders recursively
extstring | undefinedundefinedfiles extension

Returns​

Promise<{[key: string]: Blob; }>


readFilesAsJson()​

readFilesAsJson(folder, recursive?, ext?): Promise<{[key: string]: any; }>

Defined in: js-api/src/dapi.ts:2457

Reads the entire contents of a folder and returns an object. The resulting object's keys are the file names relative to the folder path, and the corresponding values are JSON objects. If conversion to a JSON fails, the file will be skipped.

Parameters​

ParameterTypeDefault valueDescription
folderstring | FileInfoundefined-
recursivebooleanfalsewhether to read files in folders recursively
extstring | undefinedundefinedfiles extension

Returns​

Promise<{[key: string]: any; }>


readFilesAsString()​

readFilesAsString(folder, recursive?, ext?): Promise<{[key: string]: string; }>

Defined in: js-api/src/dapi.ts:2474

Reads the entire contents of a folder and returns an object. The resulting object's keys are the file names relative to the folder path, and the corresponding values are strings. If conversion to a string fails, the file will be skipped.

Parameters​

ParameterTypeDefault valueDescription
folderstring | FileInfoundefined-
recursivebooleanfalsewhether to read files in folders recursively
extstring | undefinedundefinedfiles extension

Returns​

Promise<{[key: string]: string; }>


rename()​

rename(file, newName): Promise<void>

Defined in: js-api/src/dapi.ts:2403

Renames a file. Sample: https://public.datagrok.ai/js/samples/dapi/files

Parameters​

ParameterType
filestring | FileInfo
newNamestring

Returns​

Promise<void>


write()​

write(file, blob?): Promise<void>

Defined in: js-api/src/dapi.ts:2527

Writes a file. Sample: https://public.datagrok.ai/js/samples/dapi/files

Parameters​

ParameterType
filestring | FileInfo
blob?number[] | Uint8Array<ArrayBufferLike>

Returns​

Promise<void>


writeAsText()​

writeAsText(file, data): Promise<void>

Defined in: js-api/src/dapi.ts:2535

Writes a text file. Sample: https://public.datagrok.ai/js/samples/dapi/files

Parameters​

ParameterType
filestring | FileInfo
datastring

Returns​

Promise<void>


writeBinaryDataFrames()​

writeBinaryDataFrames(file, dataFrames): Promise<void>

Defined in: js-api/src/dapi.ts:2513

Writes a list of dataframes as a d42 file.

Parameters​

ParameterType
filestring | FileInfo
dataFramesDataFrame[]

Returns​

Promise<void>