Go Systems Programming

Implementing the pwd(1) command

When I start thinking about how to implement a program, so many ideas come to my mind that sometimes it becomes too difficult to decide what to do! The key here is to do something instead of waiting because as you write code, you will be able to tell whether the approach you are taking is good or not, and whether you should try another approach or not.

The pwd(1) command-line utility is pretty simplistic, yet it does a pretty good job. If you write lots of shell scripts, you should already know about pwd(1) because it is pretty handy when you want to get the full path of a file or a directory that resides in the same directory as the script that is being executed.

The Go code of pwd.go will be presented in ...