Go Systems Programming

Finding files that belong or do not belong to a given user

This subsection will create a Go program that scans a directory tree and presents files that belong or do not belong to a given user. The name of the program will be userFiles.go. In its default mode of operation, userFiles.go will display all files that belong to a given username; when used with the -no flag, it will only display the files that do not belong to the given username.

The code of userFiles.go will be presented in four parts.

The first one is the following:

package main 
 
import ( 
   "flag" 
   "fmt" 
   "os" 
   "os/user" 
   "path/filepath" 
   "strconv" 
   "syscall" 
) 
var uid int32 = 0
var INCLUDE bool = true 

The reason for declaring INCLUDE and uid as global variables is that you want both ...