 if the first argument is not a valid object name;
instead exit with non-zero status silently.
SHA-1s for valid object names are printed to stdout on success.</p>
</dd>
<dt class="hdlist1">--sq</dt>
<dd>
<p>Usually the output is made one line per flag and
parameter.  This option makes output a single line,
properly quoted for consumption by shell.  Useful when
you expect your parameter to contain whitespaces and
newlines (e.g. when using pickaxe <code>-S</code> with
<em>git diff-*</em>). In contr