<div dir="ltr"><div class="gmail_default" style="font-family:arial,sans-serif">I have a shell script that helps:</div><div class="gmail_default" style="font-family:arial,sans-serif"><br></div><div class="gmail_default" style="">
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">% cat bin/ops</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">#!/usr/local/plan9/bin/rc</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">cat <<!</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">1<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>() [] -> .<span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>left</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">2<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>! ~ ++ -- - (type) * & sizeof<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>right</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">3<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>* / %<span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>left</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">4<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>+ -<span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>left</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">5<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>>> <<<span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>left</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">6<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>< <= > >=<span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>left</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">7<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>== !=<span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>left</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">8<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>&<span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>left</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">9<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>^<span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>left</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">10<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>|<span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>left</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">11<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>&&<span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>left</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">12<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>||<span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>left</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">13<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>?:<span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>right</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">14<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>= op=<span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>right</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">15<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>,<span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>left</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">!</span></p>
<p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">%</span></p><p class="gmail-p1" style="font-family:"Lucida Sans Typewriter";margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><br></span></p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><font face="arial, sans-serif"><span style="font-variant-ligatures:no-common-ligatures">I used to use it regularly. Later I did the obvious followup:</span></font></p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><font face="arial, sans-serif"><span style="font-variant-ligatures:no-common-ligatures"><br></span></font></p><p class="gmail-p1" style="margin:0px;font:14px "Lucida Sans Typewriter";color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">% cat bin/goops</span></p><p class="gmail-p1" style="margin:0px;font:14px "Lucida Sans Typewriter";color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">#!/bin/sh</span></p><p class="gmail-p1" style="margin:0px;font:14px "Lucida Sans Typewriter";color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">cat <<!</span></p><p class="gmail-p1" style="margin:0px;font:14px "Lucida Sans Typewriter";color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">6 <span class="gmail-Apple-converted-space"> </span>*<span class="gmail-Apple-converted-space"> </span>/<span class="gmail-Apple-converted-space"> </span>%<span class="gmail-Apple-converted-space"> </span><<<span class="gmail-Apple-converted-space"> </span>>><span class="gmail-Apple-converted-space"> </span>&<span class="gmail-Apple-converted-space"> </span>&^</span></p><p class="gmail-p1" style="margin:0px;font:14px "Lucida Sans Typewriter";color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">5 <span class="gmail-Apple-converted-space"> </span>+<span class="gmail-Apple-converted-space"> </span>-<span class="gmail-Apple-converted-space"> </span>|<span class="gmail-Apple-converted-space"> </span>^</span></p><p class="gmail-p1" style="margin:0px;font:14px "Lucida Sans Typewriter";color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">4 <span class="gmail-Apple-converted-space"> </span>==<span class="gmail-Apple-converted-space"> </span>!=<span class="gmail-Apple-converted-space"> </span><<span class="gmail-Apple-converted-space"> </span><=<span class="gmail-Apple-converted-space"> </span>><span class="gmail-Apple-converted-space"> </span>>=</span></p><p class="gmail-p1" style="margin:0px;font:14px "Lucida Sans Typewriter";color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">3 <span class="gmail-Apple-converted-space"> </span><-</span></p><p class="gmail-p1" style="margin:0px;font:14px "Lucida Sans Typewriter";color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">2 <span class="gmail-Apple-converted-space"> </span>&&</span></p><p class="gmail-p1" style="margin:0px;font:14px "Lucida Sans Typewriter";color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">1 <span class="gmail-Apple-converted-space"> </span>||</span></p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)">
</p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:"Lucida Sans Typewriter";color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">!</span></p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:"Lucida Sans Typewriter";color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">%</span></p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><font face="arial, sans-serif"><br></font></span></p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><font face="arial, sans-serif">The difference besides the obvious is that it turned out I never need goops. (Also gofmt uses spaces cleverly to show grouping.)</font></span></p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><font face="arial, sans-serif"><br></font></span></p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><font face="arial, sans-serif">-rob</font></span></p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:"Lucida Sans Typewriter";color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><br></span></p></div></div>