文件版权自动注释，自动备份

  1 #include <stdio.h>
  2 #include <time.h>
  3 #include <dir.h>
  4 void str(char * ch, char * q);
  5 void strname(char * filename, char * name, double version);
  6 void cat(char * p, char * q, char * r);
  7 int main()
  8 {
  9     char filename[100];
 10     char name[100];
 11     char name1[100];
 12     char name2[100];
 13     char ch = 0;
 14     int i;
 15     double version = 0.01;
 16     FILE * p, * q, * r;
 17     while (1)
 18     {
 19         system("cls");
 20         printf("  请输入文件名: ");
 21         scanf("%s", filename);
 22         p = fopen(filename, "r");
 23         if (p == NULL)
 24             continue;
 25         break;
 26     }
 27     time_t t;
 28     time(&t);
 29     struct tm * tt = localtime(&t);
 30     str(filename, name);
 31     q = fopen(filename, "r+");
 32     if (q != NULL)
 33     {
 34         version = 0;
 35         while (ch != 'v')
 36             fread(&ch, 1, 1, q);
 37         for (i = 0; i < 10; i++)
 38             fread(&ch, 1, 1, q);
 39         while (ch != '.')
 40         {
 41             version = version * 10 + ch - '0';
 42             fread(&ch, 1, 1, q);
 43         }
 44         fread(&ch, 1, 1, q);
 45         version += (ch - '0')*0.1;
 46         fread(&ch, 1, 1, q);
 47         version += (ch - '0')*0.01;
 48         strname(filename, name1, version);
 49         cat(name, name1, name2);
 50         r = fopen(name2, "w+");
 51         if (!r)
 52         {
 53             if (mkdir(name))
 54             {
 55                 printf("\n  创建目录失败。。。");
 56                 getch();
 57                 return 0;
 58             }
 59             r = fopen(name2, "w+");
 60         }
 61         fseek(q, 0, 0);
 62         while (1)
 63         {
 64             fread(&ch, 1, 1, q);
 65             if (feof(q))
 66                 break;
 67             fwrite(&ch, 1, 1, r);
 68         }
 69         fclose(q);
 70         fclose(r);
 71         version += 0.01;
 72     }
 73     q = fopen(filename, "w+");
 74     char * string = "/*******************************************************************************\n      name:  %s  \n   version:  %.2f\n    author:  神☆雕  \n      time:  %s        qq:  438985635  \n    e-mail:  438985635@qq.com  \n    Copyright(c) 2010 - 2012 shendiao.All Rights Reserved.\n*******************************************************************************/\n\n";
 75     fprintf(q, string, name, version, asctime(tt));
 76     while (1)
 77     {
 78         fread(&ch, 1, 1, p);
 79         if (feof(p))
 80             break;
 81         fwrite(&ch, 1, 1, q);
 82     }
 83     fclose(p);
 84     fclose(q);
 85     printf("\n  成功生成文件: %s", filename);
 86     getch();
 87     return 0;
 88 }
 89 
 90 void str(char * ch, char * q) {
 91     int i = 0;
 92     int j;
 93     while (ch[i] && ch[i] != '.')
 94     {
 95         q[i] = ch[i];
 96         i++;
 97     }
 98     q[i] = 0;
 99     j = i;
100     while (ch[i++]);
101     while (i >= j)
102     {
103         ch[i+4] = ch[i];
104         i--;
105     }
106     ch[j++] = '_';
107     ch[j++] = 'n';
108     ch[j++] = 'e';
109     ch[j++] = 'w';
110 }
111 
112 void strname(char * filename, char * name, double version) {
113     int i = 0;
114     int j = 0;
115     int k = 0;
116     int l = 0;
117     int m = 0;
118     char ch;
119     char num[10];
120     ch = filename[i];
121     while (ch && ch != '.')
122     {
123         name[i] = ch;
124         ch = filename[++i];
125     }
126     j = i;
127     i -= 4;
128     double vd = version - (int)version;
129     int vi = version;
130     name[i++] = '_';
131     if (vi == 0)
132         name[i++] = '0';
133     while (vi > 0)
134     {
135         k = vi % 10;
136         num[m++] = k + '0';
137         vi /= 10;
138     }
139     while (m > 0)
140         name[i++] = num[--m];
141     name[i++] = '_';
142     k = vd * 10;
143     name[i++] = k + '0';
144     vd = vd * 10 - k;
145     k = vd * 10;
146     name[i++] = k + '0';
147     while (ch)
148     {
149         name[i++] = ch;
150         ch = filename[++j];
151     }
152     name[i] = 0;
153 }
154 
155 void cat(char * p, char * q, char * r) {
156     int i = 0, j = 0;
157     while (p[i])
158         r[i++] = p[i];
159     r[i++] = '\\';
160     while (q[j])
161         r[i++] = q[j++];
162     r[i] = 0;
163 }
几许风雨天，千里孤月夜。日出似无时，何处现流光。