Code to rename fiiles

2016 8 10
1 个回答
更新时间：2016 8 11
11 次查看（30 天）

0 个投票

I am looking to rename files that are titled "Untitled.0001.jpg" to 1,2,3...,n.jpg
I have a bunch of files that get spit out from a program in that format, but just want to name them by a number. How would I go about doing that?

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回答（1 个）

Azzi Abdelmalek
Azzi Abdelmalek 2016-8-10
编辑：Azzi Abdelmalek 2016-8-10

0 个投票

f='Untitled.0001.jpg'
nf=regexprep(f,'(\S+\.)(\d+)(\.jpg)','${num2str(str2num($2))}$3')
Or
f='Untitled4.0201.jpg'
nf=regexp(f,'[1-9]\d+\>.jpg','match','once')
To rename the file
folder='C:\Users\you\Documents\MATLAB' % folder where your jpg are located
filetype=fullfile(folder,'*.jpg')
file=dir(filetype)
filename={file.name}
for k=1:numel(file)
f=filename{k}
nf=regexp(f,'[1-9]\d+\>.jpg','match','once')
move(fullfile(folder,f),fullfile(folder,nf))
end

3 个评论
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Image Analyst
Image Analyst 2016-8-10
Use movefile() rather than move().
movefile('source','destination')
When source and destination have the same location, movefile renames source to destination.
Michael Cimorelli
Michael Cimorelli 2016-8-11
This is my first time ever using MATLAB... So I input the code as a script and set the directory to the NameChange folder... What do I have to do to get this to run?
Completely unrelated, do you have any sights or anything to help learn MATLAB? I need it for school and really want to get proficient in it.
Image Analyst
Image Analyst 2016-8-11
To run, type the F5 key or click the green Run triangle on the tool ribbon.
To master MATLAB, see this http://www.mathworks.com/matlabcentral/answers/8026-best-way-s-to-master-matlab

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