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1 ## Copyright (C) 2005 S�ren Hauberg |
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2 ## |
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3 ## This program is free software; you can redistribute it and/or modify |
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4 ## it under the terms of the GNU General Public License as published by |
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5 ## the Free Software Foundation; either version 2 of the License, or |
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6 ## (at your option) any later version. |
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7 ## |
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8 ## This program is distributed in the hope that it will be useful, |
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9 ## but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 ## GNU General Public License for more details. |
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12 ## |
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13 ## You should have received a copy of the GNU General Public License |
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14 ## along with this program; if not, write to the Free Software |
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15 ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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16 |
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17 ## -*- texinfo -*- |
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18 ## @deftypefn {Function File} unzip (@var{filename}) |
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19 ## @deftypefnx {Function File} unzip (@var{filename}, @var{outputdir}) |
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20 ## Unpacks the archive @var{filename} using the unzip program. |
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21 ## The resulting files are placed in the directory @var{outputdir}, |
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22 ## which defaults to the current directory. |
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23 ## @end deftypefn |
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24 |
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25 ## Author: S�ren Hauberg <hauberg at gmail dot com> |
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26 |
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27 function files = unzip(filename, outputdir) |
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28 if (nargin == 0) |
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29 print_usage("unzip"); |
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30 elseif (nargin == 1) |
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31 outputdir = "."; |
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32 endif |
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33 |
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34 ## Make sure filename and outputdir are strings |
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35 if (!ischar(filename) || !ischar(outputdir)) |
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36 error("All arguments must be strings.\n"); |
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37 endif |
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38 |
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39 ## Should we append ".zip" to filename? |
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40 if (length(filename) <= 4 || !strcmp(filename(end-3:end), ".zip")) |
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41 filename = sprintf("%s.zip", filename); |
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42 endif |
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43 |
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44 ## Call unzip |
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45 [output, status] = system(["unzip -o " filename " -d " outputdir]); |
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46 if (status != 0) |
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47 error("unzip returned the following error: %s\n", output); |
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48 endif |
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49 |
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50 ## Create list of extracted files. This might depend on which version |
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51 ## unzip that it used, although I do not know this for sure. |
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52 if (nargout) |
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53 files = strrep(output, " inflating: ", ""); |
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54 files = split(files, "\n"); |
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55 # remove first and last line from the output |
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56 files = files(2:end-1, :); |
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57 endif |
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58 endfunction |
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59 |
