ssuming (which is unwise) that <code>"hello.go"</code> is a Unix file,
the i-number expression could be contracted to
</p>

<pre>
    fi.Sys().(*syscall.Stat_t).Ino
</pre>

<p>
The vast majority of uses of <code>FileInfo</code> need only the methods
of the standard interface.
</p>

<p>
The <code>os</code> package no longer contains wrappers for the POSIX errors
such as <code>ENOENT</code>.
For the few programs that need to verify particular error conditions, there are
now the boolean functions
<a href="/pkg