github.com/madlambda/nash@v0.2.2-0.20230113003044-f2284521680b/internal/sh/log.go (about) 1 package sh 2 3 import ( 4 "log" 5 "os" 6 ) 7 8 // LogFn is the logger type 9 type LogFn func(format string, args ...interface{}) 10 11 // NewLog creates a new nash logger 12 func NewLog(ns string, enable bool) LogFn { 13 logger := log.New(os.Stderr, "", 0) 14 15 return func(format string, args ...interface{}) { 16 if enable { 17 logger.Printf("["+ns+"] "+format, args...) 18 } 19 } 20 }