MATLAB Answers

I wanted to copy dicom files from one place to another. But shows an error. How to fix it?

Latest activity Commented on by Star Strider
on 30 Dec 2017
The programme is attached here.

  1 Comment

2017 年 12 月 30 日
Without seeing the error message, the readers cannot know, what's going wrong. The screenshots are not really helpful to clarify details.

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1 Answer

回答者: Star Strider
2017 年 12 月 30 日

In Windows, the dir command will usually return the first two values as dots, not a file name. When I run this code:
fnames = dir;
for i=1:length(fnames)
the first two values for ‘folder’ are:
folder =
folder =
See if setting your for loop to begin at 3 instead will help:
for i = 3:length(fnames)
You have not stated the error, so this is a guess as to what the problem actually is.


Thank you for your response. the error msg is attached.
Star Strider
2017 年 12 月 30 日
I suspect it is throwing the error on the asterisk, since it interprets that a a wildcard, and is interpreting ‘i’ as a character, further complicating your code:
It is likely better to use sprintf than (incorrectly) concatenating the strings.
Try this:
fna = dir(sprintf('%s\\3D\\%d.dcm', folder, i));
Remember that the first two values for ‘folder’ are not valid file names, so consider something like this:
for i = 3:length(fnames)
folder = fnames(i).name;
fna = dir(sprintf('%s\\3D\\%d.dcm', folder, i-2));
Experiment to get the result you want.

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