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Returns the number of bytes that can be read without blocking from the specified file, piped, string buffer input streams or input stream object. #### Syntax available( inputstream ) inputstream.available( ) #### Parameters
inputstream | file input stream, piped input stream, string buffer input stream or iput stream object.
#### Returns
integer | the number of bytes that can be read without blocking from the specified input stream object.
#### Example
    fh = FileInputStream( resultFile )
    println( "bytes: " + fh.available( ) )
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