package main import ( "fmt" "path/filepath" ) func check(e error, s string) { if e != nil { fmt.Errorf(s) } } func dots(count int) string { dotStr := "" for i := 0; i < count; i++ { dotStr += "." } return dotStr } func stripExtension(filename string) string { ext := filepath.Ext(filename) return filename[:len(filename)-len(ext)] }