linux之根据时间段查询目录底下文件名

文件名如下：

1970_01_01_00_05_07_picture_000000231.jpg
1970_01_01_00_05_08_picture_000000232.jpg
1970_01_01_00_05_10_picture_000000233.jpg
1970_01_01_00_05_11_picture_000000234.jpg
1970_01_01_00_05_12_picture_000000235.jpg
1970_01_01_00_05_13_picture_000000236.jpg
1970_01_01_00_05_14_picture_000000237.jpg
1970_01_01_00_05_15_picture_000000238.jpg
1970_01_01_00_05_16_picture_000000239.jpg
1970_01_01_00_05_18_picture_000000240.jpg
1970_01_01_00_05_19_picture_000000241.jpg
1970_01_01_00_05_20_picture_000000242.jpg
1970_01_01_00_05_21_picture_000000243.jpg
1970_01_01_00_05_22_picture_000000244.jpg
1970_01_01_00_05_23_picture_000000245.jpg
1970_01_01_00_05_25_picture_000000246.jpg
1970_01_01_00_05_26_picture_000000247.jpg
1970_01_01_00_05_27_picture_000000248.jpg
1970_01_01_00_05_28_picture_000000249.jpg

#include <QtCore/QCoreApplication>
#include <sys/types.h>
#include <dirent.h>
#include <stdio.h>
#include <stdlib.h>
#include <vector>
#include <iostream>
#include <string>
using namespace std;

int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);

string str2= "1970_01_01_00_45_01";
string str1 = "1970_01_01_00_44_00";

DIR*   dp;
struct   dirent*   dirp;

if((dp   =   opendir("/mnt/picture"))   ==   NULL   )
{
printf( "Can   not   open\n\n ");

}
vector<string> vecPicname;
bool flag1=false,flag2=false;
while((dirp   =   readdir(dp))   !=   NULL   )
{
if(dirp->d_name[0] =='.' )
{
continue;
}

printf( "%s\n ",dirp-> d_name);
string strTemp = dirp-> d_name;
strTemp = strTemp.substr(0,19);

if(strTemp.compare(str1)>=0 &&strTemp.compare(str2)<=0)
{
cout<<"wyz---------"<<strTemp<<endl;

vecPicname.push_back(dirp-> d_name);
}

if(strTemp.compare(str1) ==0)
{
flag1=true;
}
if(strTemp.compare(str2) ==0)
{
flag2=true;
}

if(flag1==true && flag2==true)
{
break;
}

}

for(unsigned int i=0; i<vecPicname.size(); i++)
{
cout<<"wyz------"<<vecPicname[i]<<endl;
}

closedir(dp);
return a.exec();
}

结果查询到在某时间段自己想要的文件名 ，及图片

 

            for(int i=0; i<100; i++)    //删除最早的抓拍图片100张

            {

                system("rm -f /sddisk/picture/$(ls /sddisk/picture -rt | sed -n '1p')");

            }