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Using addpath with a user defined string

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Alison
Alison 2014-7-16
评论： Abdelrahman Helaly 2020-10-4
I'm trying to use the addpath command in a script but with a user defined folder name which I want to delete at the end of the script. There are several folders in the path, all containing files of the same name (output from a program) but the folder names are different.
Using foldername=input('Enter the folder name:','s')
then
addpath C:\xxx\'foldername'
Doesn't work because addpath doesn't read the string input. Any thoughts?

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采纳的回答

Image Analyst
Image Analyst 2014-7-16
The single quotes are messed up. Try just passing in the variable (if it's the full path):
addpath(foldername);
Otherwise
folder = sprintf('C:\xxx\%s', foldername);
addpath(folder);
or simply call uigetdir() instead of input , which is probably what you should do.

更多回答（2 个）

Sean de Wolski
Sean de Wolski 2014-7-16
addpath(['C:\xxx\' foldername])
if foldername is a variable
addpath 'C:\xxx\foldername'
if foldername is a string literal
  3 个评论
显示 1更早的评论
Image Analyst
Image Analyst 2017-1-3
编辑：Image Analyst 2017-1-3
Use sprintf() to build a string
folder = sprintf('C:/%s/blahblah', foldername)
addpath(folder)
Guillaume
Guillaume 2017-1-3
编辑：Image Analyst 2017-1-3
Even better, use fullfile to build file paths. It will ensure that the correct separator is used:
folder = fullfile('C:', foldername, 'blahblah');

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Image Analyst
Image Analyst 2017-1-4
Why not be friendly to your user and just use uigetdir(), rather than be cruel and make them type it in, and possibly have to go to File Explorer to find the name if they don't know it already?
startingFolder = pwd; % Wherever you want....
folderName= uigetdir('Enter the folder name:', startingFolder)
% Add folder to search path.
addpath(folderName);
path % Print path to command window.
% Later . . . Remove folder from search path.
rmpath(folderName);
path % Print path to command window.

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