Swift implements file name batch modification

        varFileManager = Nsfilemanager()
        //get the path to the folder, note: At the end plus/without the same, the recommended end Plus///Define FolderPath        varFilePath ="/users/star/desktop/pathname/"

        //gets the folder under the file name collection. Note: Get the file name here instead of the full path//Get all filenames array in the folder, warning:only filename and not full path        varOldfilenamesarray = Filemanager.contentsofdirectoryatpath (FilePath, Error:Nil) as[String] forOldfilenameincholdfilenamesarray{
            //get the full path of the old name//Append to file full name            varOldfilepathname = FilePath +Oldfilename
            //get the range of words that need to be modified//Get range of replace string            varrangestring = oldfilename.rangeofstring ("oldname", Options: nsstringcompareoptions.literalsearch, Range:nil, Locale:nil); ifRangestring = =Nil {Continue            }
            //string in Swift is a reference type//You cannot directly modify the elements that are traversed by//Define A new string becauce we cannot direct replacing the for in circulation element            varNewFileName =Oldfilename
            //Replace old string//replaced to NewNameNewfilename.replacerange (rangestring!, with:"NewName")                        //get the full path of the term//Get The new full pathvar newfilepathname = FilePath +NewFileName//Execute file Move function, this function can implement file name modification//Execute the function "Moveitematpath" with moving the file//the function can replace "rename"//return execution Result            ifFilemanager.moveitematpath (oldfilepathname, Topath:newfilepathname, error: nil) {println ("Success Successful")            }            Else{println ("Failure failed")            }                    }

Swift implements file name batch modification