Difference between revisions of "Main.go file for app to read log file"
From MyWiki
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Line 1: | Line 1: | ||
<source lang="go"> | <source lang="go"> | ||
− | package | + | package main |
import ( | import ( | ||
"os" | "os" | ||
"log" | "log" | ||
+ | "bufio" | ||
+ | "strings" | ||
+ | "fmt" | ||
) | ) | ||
Latest revision as of 15:09, 29 March 2022
package main import ( "os" "log" "bufio" "strings" "fmt" ) func main() { f, err := os.Open("myapp.log") if err != nil { log.Fatal(err) } defer f.Close() r := bufio.NewReader(f) for { s, err := r.ReadString('\n') if err != nil { break } if strings.Contains(s, "ERROR") { fmt.Println(s) } } }
There are no exceptions in go