{"group":{"id":1,"name":"Community","lockable":false,"created_at":"2012-01-18T18:02:15.000Z","updated_at":"2026-05-26T00:16:20.000Z","description":"Problems submitted by members of the MATLAB Central community.","is_default":true,"created_by":161519,"badge_id":null,"featured":false,"trending":false,"solution_count_in_trending_period":0,"trending_last_calculated":"2026-05-26T00:00:00.000Z","image_id":null,"published":true,"community_created":false,"status_id":2,"is_default_group_for_player":false,"deleted_by":null,"deleted_at":null,"restored_by":null,"restored_at":null,"description_opc":null,"description_html":null,"published_at":null},"problems":[{"id":1866,"title":"Usage of mkdir and copyfile","description":"This Challenge is to copy a file into a new directory multiple levels below existing directory architecture. \r\n\r\nSystem appears to be unix and thus use '/' versus '\\' which is for windows.\r\n\r\nTypical starting folder is /users/msssystem19. The file will be copied to /users/msssystem19/level/files.\r\n\r\n*Input:* [sub_folder_path, filetocopy]  File to copy is in current folder\r\n\r\n*Output:* None but file must be copied to defined sub_folder location\r\n\r\n\r\n","description_html":"\u003cp\u003eThis Challenge is to copy a file into a new directory multiple levels below existing directory architecture.\u003c/p\u003e\u003cp\u003eSystem appears to be unix and thus use '/' versus '\\' which is for windows.\u003c/p\u003e\u003cp\u003eTypical starting folder is /users/msssystem19. The file will be copied to /users/msssystem19/level/files.\u003c/p\u003e\u003cp\u003e\u003cb\u003eInput:\u003c/b\u003e [sub_folder_path, filetocopy]  File to copy is in current folder\u003c/p\u003e\u003cp\u003e\u003cb\u003eOutput:\u003c/b\u003e None but file must be copied to defined sub_folder location\u003c/p\u003e","function_template":"function ans=create_dir_copyfile(newdirname,file2copy)\r\n 0;\r\nend","test_suite":"%%\r\npwd\r\ndir\r\nnewpath='/level/files/';\r\nfile2copy='create_dir_copyfile.m';\r\ncreate_dir_copyfile(newpath,file2copy);\r\n\r\ncd(newpath(2:end)) % 'level/files'\r\npwd\r\n\r\nz=dir;\r\nassert(strcmp(z(3).name,file2copy)) % only 1 file to be copied\r\n\r\n\r\n\r\n\r\n","published":true,"deleted":false,"likes_count":1,"comments_count":0,"created_by":3097,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":25,"test_suite_updated_at":null,"rescore_all_solutions":false,"group_id":1,"created_at":"2013-09-08T23:10:06.000Z","updated_at":"2026-05-27T04:44:08.000Z","published_at":"2013-09-08T23:59:45.000Z","restored_at":null,"restored_by":null,"spam":false,"simulink":false,"admin_reviewed":false,"description_opc":"{\"relationships\":[{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/document\",\"targetMode\":\"\",\"relationshipId\":\"rId1\",\"target\":\"/matlab/document.xml\"},{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/output\",\"targetMode\":\"\",\"relationshipId\":\"rId2\",\"target\":\"/matlab/output.xml\"}],\"parts\":[{\"partUri\":\"/matlab/document.xml\",\"relationship\":[],\"contentType\":\"application/vnd.mathworks.matlab.code.document+xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\"?\u003e\\n\u003cw:document xmlns:w=\\\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\\\"\u003e\u003cw:body\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eThis Challenge is to copy a file into a new directory multiple levels below existing directory architecture.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eSystem appears to be unix and thus use '/' versus '\\\\' which is for windows.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eTypical starting folder is /users/msssystem19. The file will be copied to /users/msssystem19/level/files.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eInput:\u003c/w:t\u003e\u003c/w:r\u003e\u003cw:r\u003e\u003cw:t\u003e [sub_folder_path, filetocopy] File to copy is in current folder\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eOutput:\u003c/w:t\u003e\u003c/w:r\u003e\u003cw:r\u003e\u003cw:t\u003e None but file must be copied to defined sub_folder location\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003c/w:body\u003e\u003c/w:document\u003e\"},{\"partUri\":\"/matlab/output.xml\",\"contentType\":\"text/xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\" standalone=\\\"no\\\" ?\u003e\u003cembeddedOutputs\u003e\u003cmetaData\u003e\u003cevaluationState\u003emanual\u003c/evaluationState\u003e\u003clayoutState\u003ecode\u003c/layoutState\u003e\u003coutputStatus\u003eready\u003c/outputStatus\u003e\u003c/metaData\u003e\u003coutputArray type=\\\"array\\\"/\u003e\u003cregionArray type=\\\"array\\\"/\u003e\u003c/embeddedOutputs\u003e\"}]}"}],"problem_search":{"problems":[{"id":1866,"title":"Usage of mkdir and copyfile","description":"This Challenge is to copy a file into a new directory multiple levels below existing directory architecture. \r\n\r\nSystem appears to be unix and thus use '/' versus '\\' which is for windows.\r\n\r\nTypical starting folder is /users/msssystem19. The file will be copied to /users/msssystem19/level/files.\r\n\r\n*Input:* [sub_folder_path, filetocopy]  File to copy is in current folder\r\n\r\n*Output:* None but file must be copied to defined sub_folder location\r\n\r\n\r\n","description_html":"\u003cp\u003eThis Challenge is to copy a file into a new directory multiple levels below existing directory architecture.\u003c/p\u003e\u003cp\u003eSystem appears to be unix and thus use '/' versus '\\' which is for windows.\u003c/p\u003e\u003cp\u003eTypical starting folder is /users/msssystem19. The file will be copied to /users/msssystem19/level/files.\u003c/p\u003e\u003cp\u003e\u003cb\u003eInput:\u003c/b\u003e [sub_folder_path, filetocopy]  File to copy is in current folder\u003c/p\u003e\u003cp\u003e\u003cb\u003eOutput:\u003c/b\u003e None but file must be copied to defined sub_folder location\u003c/p\u003e","function_template":"function ans=create_dir_copyfile(newdirname,file2copy)\r\n 0;\r\nend","test_suite":"%%\r\npwd\r\ndir\r\nnewpath='/level/files/';\r\nfile2copy='create_dir_copyfile.m';\r\ncreate_dir_copyfile(newpath,file2copy);\r\n\r\ncd(newpath(2:end)) % 'level/files'\r\npwd\r\n\r\nz=dir;\r\nassert(strcmp(z(3).name,file2copy)) % only 1 file to be copied\r\n\r\n\r\n\r\n\r\n","published":true,"deleted":false,"likes_count":1,"comments_count":0,"created_by":3097,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":25,"test_suite_updated_at":null,"rescore_all_solutions":false,"group_id":1,"created_at":"2013-09-08T23:10:06.000Z","updated_at":"2026-05-27T04:44:08.000Z","published_at":"2013-09-08T23:59:45.000Z","restored_at":null,"restored_by":null,"spam":false,"simulink":false,"admin_reviewed":false,"description_opc":"{\"relationships\":[{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/document\",\"targetMode\":\"\",\"relationshipId\":\"rId1\",\"target\":\"/matlab/document.xml\"},{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/output\",\"targetMode\":\"\",\"relationshipId\":\"rId2\",\"target\":\"/matlab/output.xml\"}],\"parts\":[{\"partUri\":\"/matlab/document.xml\",\"relationship\":[],\"contentType\":\"application/vnd.mathworks.matlab.code.document+xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\"?\u003e\\n\u003cw:document xmlns:w=\\\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\\\"\u003e\u003cw:body\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eThis Challenge is to copy a file into a new directory multiple levels below existing directory architecture.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eSystem appears to be unix and thus use '/' versus '\\\\' which is for windows.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eTypical starting folder is /users/msssystem19. The file will be copied to /users/msssystem19/level/files.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eInput:\u003c/w:t\u003e\u003c/w:r\u003e\u003cw:r\u003e\u003cw:t\u003e [sub_folder_path, filetocopy] File to copy is in current folder\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eOutput:\u003c/w:t\u003e\u003c/w:r\u003e\u003cw:r\u003e\u003cw:t\u003e None but file must be copied to defined sub_folder location\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003c/w:body\u003e\u003c/w:document\u003e\"},{\"partUri\":\"/matlab/output.xml\",\"contentType\":\"text/xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\" standalone=\\\"no\\\" ?\u003e\u003cembeddedOutputs\u003e\u003cmetaData\u003e\u003cevaluationState\u003emanual\u003c/evaluationState\u003e\u003clayoutState\u003ecode\u003c/layoutState\u003e\u003coutputStatus\u003eready\u003c/outputStatus\u003e\u003c/metaData\u003e\u003coutputArray type=\\\"array\\\"/\u003e\u003cregionArray type=\\\"array\\\"/\u003e\u003c/embeddedOutputs\u003e\"}]}"}],"errors":[],"facets":[[],[{"value":"easy","count":1,"selected":false}]],"term":"tag:\"mkdir\"","page":1,"per_page":50,"sort":"map(difficulty_value,0,0,999) asc"}}