Io.type

Available since: Gideros 2011.6
Class: io

Description

Checks whether obj is a valid file handle. <syntaxhighlight lang="lua"> (string) = io.type(obj) </source>

Returns the string:

• "file" if obj is an open file handle
• "closed file" if obj is a closed file handle
• nil if obj is not a file handle

Parameters

obj: (any) object to test

Return values

Returns (string) string representing the state of the object or nil if not file handler

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• Io
• Io.close
• Io.flush
• Io.input
• Io.lines
• Io.open
• Io.output
• Io.read
• Io.tmpfile
• Io.type
• Io.write

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