<p>today in necroposting: if you write your batch files with keywords/builtins in lowercase, cmd.exe executes them (very, very marginally) faster than if they were written in uppercase, because it uses `_wcsicmp` to detect those, and that function converts all characters to lowercase using a branch that bypasses a table lookup if they're already lowercase</p><p><a href="https://www.reddit.com/r/Batch/comments/etx3ff/comment/lywy4fx/" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://www.</span><span class="ellipsis">reddit.com/r/Batch/comments/et</span><span class="invisible">x3ff/comment/lywy4fx/</span></a></p>
