Go read and write operations

Read and Write operations://Hello Project main.go/* reads data from a file, then sorts it, writes the sorted data to the new file */package mainimport ("FMT"//println () function in the FMT package) Bufio "" "IO" "OS" "StrConv" "" Sort ") Func readvalues (infile string) (values []int,err error) {file,err: = os. Open (infile) if err! = Nil {fmt. Println ("Open file failed!") ", infile)}defer file. Close () br: = Bufio. Newreader (file) values = make ([]int,0) For{line,isprefix,err1: = Br. ReadLine () if err1! = nil{if err1! = Io. Eof{err = Err1}break}if isprefix{fmt. Println ("A too long line, seems upexpected") Return}str: = string VALUE,ERR2: = StrConv. Atoi (str) if err2! = Nil{err = Err2return}values = Append (values,value)}return values,nil}func writevalues (values []int, outfile string) Error{file,err: = OS. Create (outfile) If err! = nil{fmt. Println ("Failed to create file! ", outfile) return Err}defer file. Close () for _,value: = range Values{str: = StrConv. Itoa (value) file. WriteString (str+ "\ n")}return Nil}func Main () {values,err: = Readvalues ("Unsorted.dat") if err! = nil{fmt. PRINTLN (Err)}else{sort. Ints (values) writevalues (values, "sort. Dat ")}} 

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Go read and write operations