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clear except...

11 Apr 2008 (Updated 04 Jun 2008)

clear workspace except prescribed variables

File Information
Description	This function clear all variables in the workspace except the variables listed in the function argument. Example: clearex('var1',var2') will clear all variables in the workspace except var1 and var2. Note: wildcards (e.g. 'var*') can be used.
MATLAB release	MATLAB 7.4 (R2007a)

Comments and Ratings (7)
14 Apr 2008	Duane Hanselman	This functionality has been posted to the FEX many times, e.g., keep, keep2, keep3. This functionality also exists as part of MATLAB itself starting with R2008a, i.e., clearvars -except v1 v2 ... clears all variables except for those specified following the -except flag. Use the wildcard character '' in a variable name to exclude variables that match a pattern from being cleared. clearvars -except X clears all the variables in the current workspace, except for those that start with X, for instance.
14 Apr 2008	Urs (us) Schwarz	yet another one of these KEEP-ers... note: r2008a (finally) introduces CLEARVARS with these options clearvars -except v1 v2 ... clearvars -except -regexp p1 p2 ... clearvars v1 v2 ... -except -regexp p1 p2 ... clearvars -regexp p1 p2 ... -except v1 v2 ... us
14 Apr 2008	fex observer	If these two well-known reviewers tell the truth, you should remove this submission.
17 Jun 2008	William Vidal	You've saved my project...
10 Dec 2008	Federico Ang	not everyone uses r2008a if you people would only realize that...
04 May 2011	Martin Lenz	many users don't have a version like r2008a or newer. this function is also necessary. thank's a lot.
14 Jan 2012	Gijs

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Updates
04 Jun 2008	updated to enable wildcards