Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
I am downloading data from a web site, storing it in an array and writing it to a plist file in my iPhone app.
How would I check the file-date/time on the file to see when it was saved?
I may be approaching this the wrong way but what I’m trying to do is check if the file is older than n minutes and if so, download a new copy and replace it.
You can use the NSFileManager and retrieve attributes with attributesOfItemAtPath:error:. There is an attribute called NSFileModificationDate, which should point to a date you can use for a date comparison.
You could as well put a timestamp in the filename and test against that one: will lead to some parsing work. Or add a timestamp property to your plist that reflects creation time.