Objective-c Nsfilemanager File Management summary

Createfileatpath//Create File

        Nsfilemanager *FM = [Nsfilemanager Defaultmanager];        NSString *strpath = [NSString stringwithformat:@ "%@/file1.txt", Nshomedirectory ()];        NSString *strdata = @ "Test";                BOOL BRET = [FM createfileatpath:strpath contents:strdata Attributes:nil];        if (!bret)        {            NSLog (@ "Create file Error");        }

Copyitematpath//Copy files

        Nsfilemanager *FM = [Nsfilemanager Defaultmanager];        NSString *strpath1 = [NSString stringwithformat:@ "%@/file1.txt", Nshomedirectory ()];        NSString *strpath2 = [NSString stringwithformat:@ "%@/file2.txt", Nshomedirectory ()];                BOOL BRET = [FM copyitematpath:strpath1 topath:strpath2 Error:nil];        if (!bret)        {            NSLog (@ "Copy file Error");        }

Moveitematpath//Moving files

        Nsfilemanager *FM = [Nsfilemanager Defaultmanager];        NSString *strpath1 = [NSString stringwithformat:@ "%@/file1.txt", Nshomedirectory ()];        NSString *strpath2 = [NSString stringwithformat:@ "%@/file2.txt", Nshomedirectory ()];                BOOL BRET = [FM moveitematpath:strpath1 topath:strpath2 Error:nil];        if (!bret)        {            NSLog (@ "Move file error");        }

removeItemAtPath//delete files

        Nsfilemanager *FM = [Nsfilemanager Defaultmanager];        NSString *strpath1 = [NSString stringwithformat:@ "%@/file1.txt", Nshomedirectory ()];                BOOL BRET = [FM removeitematpath:strpath1 Error:nil];        if (!bret)        {            NSLog (@ "Delete file error");        }

Attributesofitematpath//Get file attributes, file characters, return nsdictionary

        Nsfilemanager *FM = [Nsfilemanager Defaultmanager];        NSString *strpath1 = [NSString stringwithformat:@ "%@/log.txt", Nshomedirectory ()];                Nsdictionary *dic = [FM attributesofitematpath:strpath1 Error:nil];        NSLog (@ "%@", DIC);

Currentdirectorypath//Get current directory

       Nsfilemanager *FM = [Nsfilemanager Defaultmanager];       NSString *STRPATH = [FM Currentdirectorypath];       NSLog (@ "%@", strpath);

Createdirectoryatpath//Create a directory

        Nsfilemanager *FM = [Nsfilemanager Defaultmanager];        NSString *strpath1 = [NSString stringwithformat:@ "%@/testdir", Nshomedirectory ()];        BOOL BRET = [FM createdirectoryatpath:strpath1 withintermediatedirectories:no Attributes:nil Error:nil];        if (!bret)        {            NSLog (@ "Create dir error");        }

Fileexistsatpath//Determine if a file or directory exists

        Nsfilemanager *FM = [Nsfilemanager Defaultmanager];        NSString *strpath1 = [NSString stringwithformat:@ "%@/testdir", Nshomedirectory ()];        BOOL BRET = [FM fileexistsatpath:strpath1];        if (!bret)        {            NSLog (@ "no file exist");        }        else        {            NSLog (@ "file exist");        }

Enumeratoratpath//Enumerate directories, enumerate subdirectories all

        Nsfilemanager *FM = [Nsfilemanager Defaultmanager];        NSString *strpath1 = [NSString stringwithformat:@ "%@/desktop", Nshomedirectory ()];        Nsdirectoryenumerator *dirs = [FM enumeratoratpath:strpath1];                NSString *dir;        while (Dir=[dirs Nextobject]) {            NSLog (@ "%@", dir);        }

Contentsofdirectoryatpath//Enumerate directories, do not enumerate subdirectories

        Nsfilemanager *FM = [Nsfilemanager Defaultmanager];        NSString *strpath1 = [NSString stringwithformat:@ "%@/desktop", Nshomedirectory ()];        Nsarray *dirs = [FM contentsofdirectoryatpath:strpath1 Error:nil];                NSString *dir;        For (dir in dirs)        {            NSLog (@ "%@", dir);        }

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Objective-c Nsfilemanager File Management summary