例如,假设文件路径为'C:\data\oldfilename.txt'。 使用MATLAB的dir函数或其他相关函数获取文件信息: 虽然在这个特定任务中,dir函数不是必需的,因为它主要用于列出目录内容,但你可以用它来验证文件是否存在。 matlab filePath = 'C:\data\oldfilename.txt'; if exist(filePath, 'file') == 2
function savePDF(plot_path,plot_name) % check if directory exists, if not create one if ~exist(plot_path, 'dir') mkdir(plot_path) end fig = gcf; fig.PaperPositionMode = 'auto'; fig_pos = fig.PaperPosition; fig.PaperSize = [fig_pos(3) fig_pos(4)]; print(fig,'-dpdf','-pain...
A variable named testresults exists in the workspace. Check Existence of Folder Copy Code Copy Command Create the folder myfolder, and then check its existence as a folder. Get mkdir myfolder; exist myfolder dir ans = 7 If you specify the type as file, MATLAB® searches for both fil...
This MATLAB function checks if the parameter with name paramname exists in the parameter tree, ptree.
var Checks only for variables. 1, 0 Output Arguments collapse all Identifier type, specified as a numeric value. This list describes the type associated with each value: 0—namedoes not exist or cannot be found for other reasons. For example, ifnameexists in a restricted folder to which MA...
Ihave a databas, Iread in this way but some of theimages' name are not exist for example 31 is missed. before I load the program I have to search if all the images exists 댓글을 달려면 로그인하십시오.
var Checks only for variables. 1, 0 Output Arguments collapse all Identifier type, specified as a numeric value. This list describes the type associated with each value: 0—namedoes not exist or cannot be found for other reasons. For example, ifnameexists in a restricted folder to which MA...
numTest = numel(testImages); outputHeatmapsDir = fullfile(testDir,"heatmaps"); networkBlockSize = [299,299,3]; tic for ind = 1:numTest % Check if TIF file already exists [~,id] = fileparts(testImages(ind).Source); outFile = fullfile(outputHeatmapsDir,id+".tif"); if ~exist(...
exist testresults; %returns "1", variable exists if (exist testresults var) %why can't I check if this exists? %File: temp.m Line: 6 Column: 11 %Invalid expression. Check for missing multiplication operator, missing or unbalanced delimiters, or other syntax error. To c...
var Checks only for variables. 1, 0 Output Arguments collapse all Identifier type, specified as a numeric value. This list describes the type associated with each value: 0—namedoes not exist or cannot be found for other reasons. For example, ifnameexists in a restricted folder to which MA...