<p>The <a href="https://mastodon.social/tags/Bash" class="mention hashtag" rel="tag">#<span>Bash</span></a> has the notion of "integer" variable:</p><p>declare A=1; declare -i B=2<br />A+=3; B+=4<br />echo $A $B<br />⇒ 13 6</p><p><a href="https://mastodon.social/tags/Shell" class="mention hashtag" rel="tag">#<span>Shell</span></a></p>
