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1 %ZIPLOAD Load compressed data file created with ZIPSAVE
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2 %
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3 % [data] = zipload( filename )
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4 % filename: string variable that contains the name of the
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5 % compressed file (do not include '.zip' extension)
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6 % Use only with files created with 'zipsave'
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7 % pkzip25.exe has to be in the matlab path. This file is a compression utility
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8 % made by Pkware, Inc. It can be dowloaded from: http://www.pkware.com
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9 % Or directly from ftp://ftp.pkware.com/pk250c32.exe, for the Windows 95/NT version.
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10 % This function was tested using 'PKZIP 2.50 Command Line for Windows 9x/NT'
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11 % It is important to use version 2.5 of the utility. Otherwise the command line below
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12 % has to be changed to include the proper options of the compression utility you
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13 % wish to use.
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14 % This function was tested in MATLAB Version 5.3 under Windows NT.
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15 % Fernando A. Brucher - May/25/1999
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16 %
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17 % Example:
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18 % [loadedData] = zipload('testfile');
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19 %--------------------------------------------------------------------
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20
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21 function [data] = zipload( filename )
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22
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23 %--- Decompress data file by calling pkzip (comand line command) ---
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24 % Options used:
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25 % 'extract' = decompress file
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26 % 'silent' = no console output
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27 % 'over=all' = overwrite files
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28
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29 %eval( ['!pkzip25 -extract -silent -over=all ', filename, '.zip'] )
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30 eval( ['!pkzip25 -extract -silent -over=all ', filename, '.zip'] )
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31
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32
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33 %--- Load data from decompressed file ---
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34 % try, catch takes care of cases when pkzip fails to decompress a
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35 % valid matlab format file
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36
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37 try
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38 tmpStruc = load( filename );
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39 data = tmpStruc.data;
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40 catch, return, end
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41
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42
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43 %--- Delete decompressed file ---
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44
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45 delete( [filename,'.mat'] )
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46
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47
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