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xform

    function varargout=snip(varargin)

     err=snip(inputRecord,outputRecord,beginTime,stopTime,inputAnn,outSignalList,outFs)

        Wrapper to WFDB SNIP:
             http://www.physionet.org/physiotools/wag/snip-1.htm

     Copy an excerpt of a WFDB record

    Input Parameters:
     inputRecord
           String specifying the input WFDB record file.

     outputRecord
           String specifying the output WFDB record file name that will be generated.

     beginTime (Optional)
           Integer specifying start time of the output WFDB record. Default is
           the beginning of the input record.

     stopTime (Optional)
           Integer specifying end time of the output WFDB record. Defaut is
           end of input record.

     inputAnn (Optional)
           String specifying the annotation files to convert along with the
           given record. Defaults i none (empty).

     outSignalList (Optional)
           Array of integers specifying which signals to convert. Default is
           to use all signals.

     outFormat (Optional)
           String specifying the output format (see http://www.physionet.org/physiotools/wag/header-5.htm).
           Default is the same as input record.

    Output Parameters:
     err (Optional)
           String spefiying any error messages. If empty, conversion was
           sucessfull.

     Written by Ikaro Silva, 2015
     Last Modified: -
     Version 1.0
     Since 1.0

     See also RDSAMP, RDANN, WFDBDESC