OPEN {stream} {option value}*

Arguments:
  
  {stream}              Name of file or syntax to initialize.
  {option value}*       Zero or more slot and value pairs.


  The following {OPTION value} pairs apply to all streams:

  START {time}          Ignore material before {time}.
  END {time}            Ignore material after {time}.
  TIMESCALE {factor}    Scale global time by {factor} amount.
  EDIT {boolean}        Edit stream if new. Default :ASK.
  SYNTAX {syntax}       Force {syntax} for processing.

  The following options apply to all MIDI streams:

  PORT {name}           Open MIDI driver on {name} port.


  The following options apply to all CLM streams:

  SRATE {rate}          Use {rate} sampling rate.
  CHANNELS {number}     Write {number} of channels.
  REVERB {name}         Use {name} reverberator.
  REVERB-DATA {list}    Pass reverb {list} arguments.
  DECAY-TIME {time}     Reverb rings {time} amount.
  COMMENT {string}      Include {string} as comment.
  STATISTICS {flag}     Print statistics.
  CONTINUE-OLD-FILE {flag} Continue old soundfile.


  The following options apply to all MusicKit/CSound streams:

  HEADER {string}       Use {string} as scorefile header.


  The following options apply to all RT streams:

  INFILES {filelist}    The list of files to mix.
  OUTFILE {filename}    An optional snd file to write mix to.
  FROM                  Start time in mix to hear.
  TO                    End time in mix to hear.
  TICK                  RT's timescale factor.

Overview:

OPEN initializes {stream}, which may be a file or listener. 
If {stream} is the name syntax, its listening stream is
intialized. If {stream} is a pathname, its file is initialized
(For files that includes spaces in its name, delimit the entire
pathname within ""). Any option for {stream} may be 
initialized by including it in {option value}. To unset an
option, specify the value UNSET or NONE.

Examples:

To open midi listener on port A:

	open midi port a

To open CMN Listener (zap/test.snd) with stereo at 44100:

	open clm srate 44100 channels 2
	
To open aaa.eps (CMN) with staff size 16 and metronome 120:

	open aaa.eps size 16 metronome 120

To open test.score (Music Kit) with its header set to the
contents of the varible *header*:	

	open test.score header *header*

See also:

CLOSE