func CdCmd(scp *variables.Scope, ioc *T.IOContainer, args []string) T.ExitStatus {
// This does not conform to the posix spec.
// Very simplified. Cd to first arg or attempt to cd to home dir
cdTarget := "."
if len(args) == 0 {
homeDir := scp.Get("HOME")
if homeDir.Val == "" {
// Implementation defined behaviour. We try to grab
// the homedir of the current user
u, err := user.Current()
if err == nil {
cdTarget = u.HomeDir
}
} else {
cdTarget = homeDir.Val
}
} else {
cdTarget = args[0]
}
if err := scp.SetPwd(cdTarget); err != nil {
fmt.Fprintf(os.Stderr, "%s\n", err.Error())
return T.ExitFailure
}
return T.ExitSuccess
}
