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BUILT-IN MATHEMATICA SYMBOL
Export Listing of Formats »
Export["file.ext", expr]
exports data to a file, converting it to the format corresponding to the file extension ext.
Export[file, expr, "format"]
exports data in the specified format.
Export[file, exprs, elems]
exports data by treating exprs as elements specified by elems.
Details
- Export handles a large number of formats, each typically with many different possible elements. The possible formats are given in the list $ExportFormats, and in the "Listing of All Formats".
- Export["file.ext", expr] attempts to render expr in the appropriate format for the file. Among the possible forms for expr is normally the form that would be obtained from Import["file.ext"].
- There are four common types of element specifications:
-
data representation specifications (e.g. 
, 
) format specifications (e.g. "GIF", "GZIP", "XLS") options, properties, and settings (e.g. ImageSize, SampleRate) metadata information (e.g. 
) - In Export[file, exprs, elems] the elements can have the following basic forms:
-
"format" use the default element for the specified format elem export a single element assuming the default format {"format",elem} export an element assuming the specified format {"comp1",...,"format",...} use also compression formats 
(e.g. "GZIP"){elem1,{elem11,elem12,...}} export the 
as subelements 
of 
- Forms of elements often supported include:
-
"Data" give data in a generic form (list, string, etc.) "Image" give images as Image objects "Graphics" give graphics or geometry as a Graphics object "Graphics3D" give 3D graphics or geometry as a Graphics3D object "Sound" give sound as a Sound object "Grid" give a grid of data as a list or a Grid, etc. "Rules" give explicit rules for elements to export - With the
element specification, the rules in exprs can have the following basic forms: -
elem->val a value for a single element {elem1->val1,elem2->val2,...} values for several elements elem1->{elem11->val11,...} values for subelements - Export["!prog", expr, ...] exports data to a pipe.
- Many options can be given using Export[file, exprs, elems, opts].
- The names of options specific to particular formats and elements are normally strings.
- Typical general options include Background, CharacterEncoding, ImageSize, ImageResolution, SampleRate, etc.
- Export[file, NotebookObject[...], ...] when possible exports the content of the notebook referenced by the NotebookObject.
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