MvCAPTURE

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Sometimes we deal with functions that output directly to the screen. By capturing the output in a variable, it is possible to pass the results to another function or save the output to a file.

Syntax

<MvCAPTURE VARIABLE = "{ expression } | variable name"
         STANDARDOUTPUTLEVEL = "html, text, compresswhitespace">
</MvCAPTURE>

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Attributes

Attribute	Description
VARIABLE	(Required) Variable name or expression that results in a variable name where the captured output is stored.
STANDARDOUTPUTLEVEL	(Optional) Specifies what gets returned in VARIABLE. If omitted, output is returned un-altered. • html: Default. HTML is output to the browser. • text: Default. Text (non-HTML) is output to the browser. • compresswhitespace: Eliminates extra whitespace (spaces, tabs, new lines) from MivaScript output.

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Syntax

<MvCAPTURE VARIABLE="l.output_variable">
    text, expressions, etc.
</MvCAPTURE>

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Examples

Generic Capture

<MvCAPTURE VARIABLE="l.output_variable">
    text, expressions, etc.
</MvCAPTURE>

In this example we capture the HTML output of a function that creates a dropdown list of states.

Capturing a Function's Output

<MvCAPTURE VARIABLE="l.state_selbox">
    <MvCOMMENT> Outputs a select box to the browser. </MvCOMMENT>
    <MvEVAL EXPR="{ State_Select(g.ShipTo_State) }">
</MvCAPTURE>