How can i get my file size in Objective-C -

after search did not find problem:

nsstring *path = @"~/desktop/folder/"; pathg = [path stringbyexpandtitlepath]; nsfilemanager *fm = [nsfilemanager defaultmanager]; nsarray *array = [fm contentsofdirectoryatpath: path error: null];  for(int = 0; < array.count; ++i) {     nsfilesize *num = [array[i] filesize]; } 

error: use of undeclared identifier 'num'

if need file size of single file, can constructing file url , querying url's attributes directly.

nsstring *filepath = [@"~/.bash_history" stringbyexpandingtildeinpath]; nsurl *fileurl = [nsurl fileurlwithpath:filepath]; nsnumber *filesizevalue = nil; nserror *filesizeerror = nil; [fileurl getresourcevalue:&filesizevalue                    forkey:nsurlfilesizekey                     error:&filesizeerror]; if (filesizevalue) {     nslog(@"value %@ %@", fileurl, filesizevalue); } else {     nslog(@"error getting size url %@ error %@", fileurl, filesizeerror); } 

if need iterate contents of directory, in question, can url based version way in question. using contentsofdirectoryatpath:... returns array of file names nsstrings, , have rebuild full path , attributes additional step:

    nsstring *directorypath = [@"~" stringbyexpandingtildeinpath];     nsfilemanager *fm = [nsfilemanager defaultmanager];     nsarray *array = [fm contentsofdirectoryatpath: directorypath error:null];     (nsstring *filename in array) {         nserror *attributeserror = nil;         nsdictionary *attributes = [fm attributesofitematpath:[directorypath stringbyappendingpathcomponent:filename]                                                         error:&attributeserror];         unsigned long long size = [attributes filesize]; //note isn't pointer         nslog(@"%llu", size);     } 

you can make similar solution using file urls:

    nsstring *directorypath = [@"~" stringbyexpandingtildeinpath];     nsurl *directoryurl = [nsurl fileurlwithpath:directorypath                                      isdirectory:yes];     nsfilemanager *fm = [nsfilemanager defaultmanager];     nserror *contentserror = nil;     nsarray *contents = [fm contentsofdirectoryaturl:directoryurl                           includingpropertiesforkeys:@[nsurlfilesizekey, nsurlisdirectorykey]                                              options:0                                                error:&contentserror];     if (contents) {         (nsurl *contenturl in contents) {             nserror *isdirectoryerror = nil;             nsnumber *isdirectorynumber = nil;             [contenturl getresourcevalue:&isdirectorynumber                                   forkey:nsurlisdirectorykey                                    error:&isdirectoryerror];             if (isdirectorynumber) {                 if (![isdirectorynumber boolvalue]) {                     nsnumber *filesizenumber = nil;                     nserror *sizeerror = nil;                     [contenturl getresourcevalue:&filesizenumber                                           forkey:nsurlfilesizekey                                            error:&sizeerror];                     if (filesizenumber) {                         nsinteger size = [filesizenumber integervalue];                         nslog(@"%li", (long)size);                     }                     else {                         nslog(@"error getting file size file %@ error:%@",contenturl,sizeerror);                     }                 }             }             else {                 nslog(@"error getting url %@ directory: %@", contenturl, isdirectoryerror);             }         }     }     else {         nslog(@"error getting contents directory %@ error: %@", directoryurl, contentserror);     }