FileFormatProperties   

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`FileFormatProperties`

Listing of Formats »

[Experimental]

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FileFormatProperties["fmt"]

returns an association of properties for the specified format "fmt".

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FileFormatProperties["fmt","prop"]

returns the property "prop" for the format "fmt".

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FileFormatProperties["fmt",{"prop₁","prop₂",…}]

returns multiple properties.

Details

FileFormatProperties can return properties used by Import and Export.
For the full list of supported import and export formats, see $ImportFormats and $ExportFormats.
FileFormatProperties[] returns all properties for all registered import and export formats.
Available format properties include:
"FileNamePatterns" list of file name patterns associated to a format

"MIMETypes" list of MIME types associated to a format
Import properties:
"ImportElements" import elements available for a format

"DefaultImportElement" the element used as the default import element

Examples

open allclose all

Basic Examples (2)Summary of the most common use cases

Get all properties for the "CSV" format:

In[1]:=1

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https://wolfram.com/xid/0e49rl70815ec6-mq7wbu

Out[1]=1

Get import elements for the "Text" format:

In[1]:=1

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https://wolfram.com/xid/0e49rl70815ec6-3cniof

Out[1]=1

Scope (5)Survey of the scope of standard use cases

Get file name patterns for the "JPEG" format:

In[1]:=1

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https://wolfram.com/xid/0e49rl70815ec6-uzyh0e

Out[1]=1

Get MIME types for the "MP4" format:

In[1]:=1

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https://wolfram.com/xid/0e49rl70815ec6-k3s502

Out[1]=1

Get the list of elements and file name patterns for the "CSV" and "XLSX" formats:

In[1]:=1

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https://wolfram.com/xid/0e49rl70815ec6-1fbr3o

Out[1]=1

Get the default element for all formats:

In[1]:=1

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https://wolfram.com/xid/0e49rl70815ec6-zdt9bz

Get all properties for all formats:

In[1]:=1

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https://wolfram.com/xid/0e49rl70815ec6-pjwdzv

Applications (2)Sample problems that can be solved with this function

Find all formats that by default import as an image:

In[1]:=1

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https://wolfram.com/xid/0e49rl70815ec6-6aymcd

Out[1]=1

Find all formats that could be imported as audio:

In[1]:=1

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https://wolfram.com/xid/0e49rl70815ec6-r64a0b

Out[1]=1

Properties & Relations (1)Properties of the function, and connections to other functions

An export-only format returns None for import properties:

In[1]:=1

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https://wolfram.com/xid/0e49rl70815ec6-eyk9ix

Out[1]=1

In[2]:=2

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https://wolfram.com/xid/0e49rl70815ec6-wdkbq1

Out[2]=2

In[3]:=3

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https://wolfram.com/xid/0e49rl70815ec6-b1zehs

Out[3]=3

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