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31/07 — 2019
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24.37
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1.6
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Bash Harder With Vim
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<p>Bash is tricky, don’t let your editor get in your way. Here’s a couple of neat
additions you could make to your <code>vimrc</code> for a better shell programming
experience.</p>
<h3 id="Man%20pages%20inside%20vim">Man pages inside vim</h3>
<p>Source this script to get started: </p>
<pre><code>runtime ftplugin/man.vim
</code></pre>
<p>Now, you can open manpages inside vim with <code>:Man</code>! It adds nicer syntax highlighting
and the ability to jump around with <code>Ctrl-]</code> and <code>Ctrl-T</code>.</p>
<p>By default, the manpage is opened in a horizontal split, I prefer using a new tab:</p>
<pre><code>let g:ft_man_open_mode = 'tab'
</code></pre>
<h3 id="Scratchpad%20to%20test%20your%20commands">Scratchpad to test your commands</h3>
<p>I often test my <code>sed</code> substitutions, here is
a sample from the script used to generate this site: </p>
<pre><code># a substitution to convert snake_case to Title Case With Spaces
echo "$1" | sed -E -e "s/\..+$//g" -e "s/_(.)/ \u\1/g" -e "s/^(.)/\u\1/g"
</code></pre>
<p>Instead of dropping into a new shell, just test it out directly from vim!</p>
<ul>
<li><p>Yank the line into a register:</p>
<pre><code>yy
</code></pre></li>
<li><p>Paste it into the command-line window:</p>
<pre><code>q:p
</code></pre></li>
<li><p>Make edits as required:</p>
<pre><code>syntax off # previously run commands
edit index.html # in a buffer!
w | so %
!echo "new_post.md" | sed -E -e "s/\..+$//g" --snip--
^--- note the use of '!'
</code></pre></li>
<li><p>Hit enter with the cursor on the line containing your command!</p>
<pre><code>$ vim
New Post # output
Press ENTER or type command to continue
</code></pre></li>
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