MATLAB: Check if filename is valid.

filenamefunctionillegallive scriptsave

Hi, is there a native function or a simple code to check if a user-typed filename is valid for saving a file? (In that it doesn't contain illegal characters like /\":?<>|, etc.)

Best Answer

regexp it!

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MATLAB: Efficient way to rename files while preserving first 5 letters and removing the rest

Hi,

get the list of files using e.g. dir:

files = dir('*.txt');

Then a simple function to use is fileparts

for i=1:length(files)
  [pathname,filename,extension] = fileparts(files(i).name);
  % the new name, e.g.
  newFilename = filename(1:5);
  % rename the file
  movefile([filename extension], [newFilename extension]);
end

This assumes the script to be in the same folder as the files. Otherwise use fullfile to combine the folder and the filename into absolute file paths.

Titus

MATLAB: How to save a Cell array as excel file and give it a name

[FileName,PathName] = uiputfile('*.xls','Save file','C:\Work.xls');
fname = fullfile(PathName, FileName);
xlswrite(fname, TheNameOfYourCellArrayGoesHere)

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Related Solutions

MATLAB: Efficient way to rename files while preserving first 5 letters and removing the rest

MATLAB: How to save a Cell array as excel file and give it a name

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