chgwname.m
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上传日期:2013-01-09
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文件大小:1k
- function chgwname(filename,wname,newfilename)
- %CHGWNAME Change the name of wavelet in a WP data structure.
- % CHGWNAME(FILENAME,WNAME,NEWFILENAME)
- % If the file FILENAME contains a variable data_struct
- % the name of wavelet is replaced by WNAME.
- % A new file which name is NEWFILENAME is saved.
- %
- % CHGWNAME(FILENAME,WNAME) uses FILENAME for saving.
- % M. Misiti, Y. Misiti, G. Oppenheim, J.M. Poggi 01-Oct-97.
- % Last Revision: 01-Jun-1998.
- % Copyright 1995-2002 The MathWorks, Inc.
- % $Revision: 1.10 $
- try
- err = 0;
- load(filename,'-mat');
- err = ~exist('data_struct','var');
- if ~err
- try
- wavemngr('type',wname);
- catch
- err = 1;
- msg = [wname ' is not a valid name of wavelet!'];
- end
- else
- msg = ['Variable "data_struct" not found!'];
- end
- catch
- err = 1;
- msg = ['File ' filename ' not found!'];
- end
- if err
- errargt(mfilename,msg,'msg');
- return;
- end
- data_struct = wdatamgr('write_wave',data_struct,wname);
- [fileStruct,err] = wfileinf(filename);
- if nargin<3 , newfilename = filename; end
- saveStr = newfilename;
- for k = 1:length(fileStruct)
- saveStr = [saveStr ' ' fileStruct(k).name];
- end
- saveStr = ['save ' saveStr ' -mat'];
- eval(saveStr,'err = 1;');
- if err , errargt(mfilename,'Save FAILED !','msg'); end