Linux之根據時間段查詢目錄底下文件名

Linux之根據時間段查詢目錄底下文件名

文件名如下：

1. 1970_01_01_00_05_07_picture_000000231.jpg
2. 1970_01_01_00_05_08_picture_000000232.jpg
3. 1970_01_01_00_05_10_picture_000000233.jpg
4. 1970_01_01_00_05_11_picture_000000234.jpg
5. 1970_01_01_00_05_12_picture_000000235.jpg
6. 1970_01_01_00_05_13_picture_000000236.jpg
7. 1970_01_01_00_05_14_picture_000000237.jpg
8. 1970_01_01_00_05_15_picture_000000238.jpg
9. 1970_01_01_00_05_16_picture_000000239.jpg
10. 1970_01_01_00_05_18_picture_000000240.jpg
11. 1970_01_01_00_05_19_picture_000000241.jpg
12. 1970_01_01_00_05_20_picture_000000242.jpg
13. 1970_01_01_00_05_21_picture_000000243.jpg
14. 1970_01_01_00_05_22_picture_000000244.jpg
15. 1970_01_01_00_05_23_picture_000000245.jpg
16. 1970_01_01_00_05_25_picture_000000246.jpg
17. 1970_01_01_00_05_26_picture_000000247.jpg
18. 1970_01_01_00_05_27_picture_000000248.jpg
19. 1970_01_01_00_05_28_picture_000000249.jpg

1. #include <QtCore/QCoreApplication>
2. #include <sys/types.h>
3. #include <dirent.h>
4. #include <stdio.h>
5. #include <stdlib.h>
6. #include <vector>
7. #include <iostream>
8. #include <string>
9. using namespace std;
11. int main(int argc, char *argv[])
12. {
13. QCoreApplication a(argc, argv);
16. string str2= "1970_01_01_00_45_01";
17. string str1 = "1970_01_01_00_44_00";
19. DIR* dp;
20. struct dirent* dirp;
22. if((dp = opendir("/mnt/picture")) == NULL )
23. {
24. printf( "Can not open\n\n ");
26. }
27. vector<string> vecPicname;
28. bool flag1=false,flag2=false;
29. while((dirp = readdir(dp)) != NULL )
30. {
31. if(dirp->d_name[0] =='.' )
32. {
33. continue;
34. }
36. printf( "%s\n ",dirp-> d_name);
37. string strTemp = dirp-> d_name;
38. strTemp = strTemp.substr(0,19);
40. if(strTemp.compare(str1)>=0 &&strTemp.compare(str2)<=0)
41. {
42. cout<<"wyz---------"<<strTemp<<endl;
44. vecPicname.push_back(dirp-> d_name);
45. }
49. if(strTemp.compare(str1) ==0)
50. {
51. flag1=true;
52. }
53. if(strTemp.compare(str2) ==0)
54. {
55. flag2=true;
56. }
58. if(flag1==true && flag2==true)
59. {
60. break;
61. }
63. }
66. for(unsigned int i=0; i<vecPicname.size(); i++)
67. {
68. cout<<"wyz------"<<vecPicname[i]<<endl;
69. }
71. closedir(dp);
72. return a.exec();
73. }

結果查詢到在某時間段自己想要的文件名 ，及圖片

for(int i=0; i<100; i++) //刪除最早的抓拍圖片100張
{
system("rm -f /sddisk/picture/$(ls /sddisk/picture -rt | sed -n '1p')");
}