ios - save folder with integer variable name in document directory -


i want folder in document directory constant name. want save folder variable name, have variable "n" , value of "n" changeable want save folder name of "n" value. code follow give me error. 

 nsinteger n = 3;      nserror *error;  nsstring *adocumentsdirectory = [nssearchpathfordirectoriesindomains(nsdocumentdirectory, nsuserdomainmask, yes) lastobject];  nsstring *datapath = [adocumentsdirectory stringbyappendingpathcomponent:@"%d",n];  [[nsfilemanager defaultmanager] createdirectoryatpath:datapath withintermediatedirectories:no attributes:nil error:&error]; 

nsstring *datapath = [adocumentsdirectory stringbyappendingpathcomponent:[nsstring stringwithformat:@"%d",n];

it may you.


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