Read and write files in iOS

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1. Read the file (local UTF-8 encoded text file )

nsstring *filepath = [[nsbundle mainbundle] pathforresource:@ "song" OfType:@ "JSON"];

nsstring *str =[nsstring stringwithcontentsoffile: FilePath encoding: Nsutf8stringencoding error:nil];

//nsdata *data = [NSData Datawithcontentsoffile:filepath];

//nsstring *textfile = [[NSString alloc] Initwithdata:data encoding:nsutf8stringencoding];

ID jsonobj = [str jsonobject];

nsarray *item = [jsonobj objectforkey:@ "Data"];

NSLog(@ "arr%lu%@", (unsigned long) [item count], item);

2. Writing files

Document Directory

Nsarray *paths = Nssearchpathfordirectoriesindomains (NSDocumentDirectory, Nsuserdomainmask, YES);

NSString *documentsdirectory = [paths objectatindex:0]; required path

NSString *filed = [documentsdirectory stringbyappendingpathcomponent:@ "Xxx.txt"];

nsstring* fileName = [[FilePath objectatindex:0] stringbyappendingpathcomponent:dbname];

[FileData Writetofile:filename Atomically:yes]

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Read and write files in iOS