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Wolfram Language & System Documentation Center
LocalObject
  • See Also
    • LocalSymbol
    • $LocalBase
    • LocalObjects
    • Put
    • Get
    • Export
    • CloudObject
    • LocalCache

    • Front End Tokens
    • Save
    • Import
  • Related Guides
    • Local Objects
    • Persistent Storage
    • File Operations
    • See Also
      • LocalSymbol
      • $LocalBase
      • LocalObjects
      • Put
      • Get
      • Export
      • CloudObject
      • LocalCache

      • Front End Tokens
      • Save
      • Import
    • Related Guides
      • Local Objects
      • Persistent Storage
      • File Operations

LocalObject[]

represents a new anonymous local object.

LocalObject["file:///…"]

represents a local object with a given file path.

LocalObject["relpath"]

represents a local object with the given relative path.

LocalObject["relpath","lbase"]

represents a local object relative to the base lbase.

Details
Details and Options Details and Options
Examples  
Basic Examples  
Scope  
Generalizations & Extensions  
Applications  
Properties & Relations  
Possible Issues  
See Also
Related Guides
Related Links
History
Cite this Page
BUILT-IN SYMBOL
  • See Also
    • LocalSymbol
    • $LocalBase
    • LocalObjects
    • Put
    • Get
    • Export
    • CloudObject
    • LocalCache

    • Front End Tokens
    • Save
    • Import
  • Related Guides
    • Local Objects
    • Persistent Storage
    • File Operations
    • See Also
      • LocalSymbol
      • $LocalBase
      • LocalObjects
      • Put
      • Get
      • Export
      • CloudObject
      • LocalCache

      • Front End Tokens
      • Save
      • Import
    • Related Guides
      • Local Objects
      • Persistent Storage
      • File Operations

LocalObject

LocalObject[]

represents a new anonymous local object.

LocalObject["file:///…"]

represents a local object with a given file path.

LocalObject["relpath"]

represents a local object with the given relative path.

LocalObject["relpath","lbase"]

represents a local object relative to the base lbase.

Details

  • Relative paths are resolved with respect to $LocalBase.
  • LocalObject[File["path"]] and LocalObject[relpath,File["path"]] are also supported.
  • DeleteObject[LocalObject[…]] removes a local object.
  • LocalObject[…]["Properties"] gives the list of all supported properties of the given local object.
  • LocalObject[…]["property"] gives the value of the specified property for the given local object.
  • Properties of local objects include:
  • "URL"the absolute file: URL of the local object
    "Type"the type of information stored in the local object
    "ObjectFile"the absolute path of the metadata file
    "DataFile"the absolute path of the data file
  • LocalObject[…][All] gives an association of propertyvalue pairs for all properties of the given local object.

Examples

open all close all

Basic Examples  (3)

An unnamed local object:

A named local object in the user's local base directory:

A named local object in a subdirectory of the user's local base directory:

Remove a local object:

Scope  (8)

Local objects can be used with Put and Get to store expressions persistently:

Local objects can be used with Export and Import to store data persistently:

Local objects can be used with CopyFile to store files persistently:

Import the file stored in the local object:

Local objects can be used with Save to save definitions persistently:

Definitions saved can be read into the Wolfram Language using Get:

Local objects can be used with DumpSave to save definitions persistently:

Clear definitions for f:

Restore the definitions for f from the local object:

Local objects can be deleted with DeleteObject:

Local objects can be listed with LocalObjects:

Create a local object:

Display information about the local object:

Give the list of all known properties:

Give the value of a specific property:

Give an association of all property-value pairs:

Generalizations & Extensions  (3)

Local objects can be created in any file:

File paths can also be specified with File:

The base for resolving relative paths can be given as the second argument:

The base can be taken from another local object:

Applications  (1)

Delete all existing local objects:

Properties & Relations  (9)

Relative paths are resolved with respect to $LocalBase:

Local symbols are local objects stored in the directory $LocalSymbolBase:

A file scheme URL can be converted to a path by ExpandFileName:

A local object can be given directly in ExpandFileName:

File scheme URLs and local objects can be used in FileNameSplit:

CloudObject provides for persistent storage in the cloud:

Find all local objects used as caches:

RenameFile works on local objects:

FileNameJoin works with local objects:

Possible Issues  (2)

Applying LocalObject by itself does not create the referenced file:

Only by writing content is it actually created:

Most properties are undefined for nonexistant objects:

See Also

LocalSymbol  $LocalBase  LocalObjects  Put  Get  Export  CloudObject  LocalCache

Front End Tokens: Save  Import

Related Guides

    ▪
  • Local Objects
  • ▪
  • Persistent Storage
  • ▪
  • File Operations

Related Links

  • An Elementary Introduction to the Wolfram Language : Storing Things

History

Introduced in 2015 (10.2)

Wolfram Research (2015), LocalObject, Wolfram Language function, https://reference.wolfram.com/language/ref/LocalObject.html.

Text

Wolfram Research (2015), LocalObject, Wolfram Language function, https://reference.wolfram.com/language/ref/LocalObject.html.

CMS

Wolfram Language. 2015. "LocalObject." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/LocalObject.html.

APA

Wolfram Language. (2015). LocalObject. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/LocalObject.html

BibTeX

@misc{reference.wolfram_2025_localobject, author="Wolfram Research", title="{LocalObject}", year="2015", howpublished="\url{https://reference.wolfram.com/language/ref/LocalObject.html}", note=[Accessed: 01-December-2025]}

BibLaTeX

@online{reference.wolfram_2025_localobject, organization={Wolfram Research}, title={LocalObject}, year={2015}, url={https://reference.wolfram.com/language/ref/LocalObject.html}, note=[Accessed: 01-December-2025]}

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