• matlab文件读写处理实例(一)——不规则文件读取


    数据:
    A) Title: Income Data

    B) Relevant Information:

    Marketing Database.

    Source: Impact Resources, Inc., Columbus, OH (1987).
    A total of N=9409 questionnaires containg 502 questions were
    filled out by shopping mall customers in the San Francisco Bay area.

     
     1    ANNUAL INCOME OF HOUSEHOLD (PERSONAL INCOME IF SINGLE)
                 1. Less than $10,000
                 2. $10,000 to $14,999
                 3. $15,000 to $19,999
                 4. $20,000 to $24,999
                 5. $25,000 to $29,999
                 6. $30,000 to $39,999
                 7. $40,000 to $49,999
                 8. $50,000 to $74,999
                 9. $75,000 or more

     2    SEX
                 1. Male
                 2. Female
     
     3    MARITAL STATUS
                 1. Married
                 2. Living together, not married
                 3. Divorced or separated
                 4. Widowed
                 5. Single, never married
     
     4    AGE
                 1. 14 thru 17
                 2. 18 thru 24
                 3. 25 thru 34
                 4. 35 thru 44
                 5. 45 thru 54
                 6. 55 thru 64
                 7. 65 and Over
     
     5    EDUCATION
                 1. Grade 8 or less
                 2. Grades 9 to 11
                 3. Graduated high school
                 4. 1 to 3 years of college
                 5. College graduate
                 6. Grad Study
     
    --------------------------------
     问题:读取上面数据文件中红色部分的数据,将结果保存到元胞数组。
     
    fid=fopen('marketing.info.txt','r');
    while ~feof(fid)
        line=fgetl(fid);
        if ~ischar(line),break,end
        if length(line)>1 && strcmp(line(2),'2')
            display(line)
             for i=1:2
                line=fgetl(fid);
                SEX{i}=line(17:end);
             end
            %display(line);
            continue;
            continue;
        end
        if length(line)>1 && strcmp(line(2),'3')
            display(line)
            for i=1:4
                line=fgetl(fid);
                MARITAL_STATUS{i}=line(17:end);
            end
            continue;
        end
    end
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  • 原文地址:https://www.cnblogs.com/xiongyunqi/p/3737227.html
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