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Date: Thu, 29 May 2014 21:34:59 -0500
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Subject: Multi-line commands with 'python -c'
From: Zachary Ware <zachary.ware+pylist@gmail.com>
Cc: "python-list@python.org" <python-list@python.org>
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On Thursday, May 29, 2014, Chris Angelico <rosuav@gmail.com
<javascript:_e(%7B%7D,'cvml','rosuav@gmail.com');>> wrote:

> Since lines are so critical to Python syntax, I'm a little surprised
> there's no majorly obvious solution to this... or maybe I'm just
> blind.
>
> Problem: Translate this into a shell one-liner:
>
> import os
> for root, dirs, files in os.walk("."):
>     if len(dirs + files) == 1: print(root)

<snip>

>
> Is there a better way to put multiple virtual lines into a 'python -c'
> command?
>

You can always cheat:

$ python -c 'exec("import os\nfor root, dirs, files in os.walk(\".\"):\n if
len(dirs + files) == 1: print(root)")'

Doesn't do much for being long and fiddly, though.

--
Zach

Sent from an iPad, please bear with any brevity, uncaught
auto-uncorrections, HTML, or other annoyances. Suggestions for a great (not
just 'good') email app are welcome.


-- 
Sent from Gmail Mobile

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On Thursday, May 29, 2014, Chris Angelico &lt;<a href=3D"javascript:_e(%7B%=
7D,&#39;cvml&#39;,&#39;rosuav@gmail.com&#39;);" target=3D"_blank">rosuav@gm=
ail.com</a>&gt; wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin=
:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Since lines are so critical to Python syntax, I&#39;m a little surprised<br=
>

there&#39;s no majorly obvious solution to this... or maybe I&#39;m just<br=
>
blind.<br>
<br>
Problem: Translate this into a shell one-liner:<br>
<br>
import os<br>
for root, dirs, files in os.walk(&quot;.&quot;):<br>
=C2=A0 =C2=A0 if len(dirs + files) =3D=3D 1: print(root)</blockquote><div>&=
lt;snip&gt;=C2=A0<br></div><blockquote class=3D"gmail_quote" style=3D"margi=
n:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
Is there a better way to put multiple virtual lines into a &#39;python -c&#=
39; command?<br>
</blockquote><div><br></div><div>You can always cheat:</div><div><br></div>=
<div>$ python -c &#39;exec(&quot;import os\nfor root, dirs, files in os.wal=
k(\&quot;.\&quot;):\n if len(dirs + files) =3D=3D 1: print(root)&quot;)&#39=
;</div>

<div><br></div><div>Doesn&#39;t do much for being long and fiddly, though.<=
/div><div><br></div><div>--</div><div>Zach</div><div><br></div><div>Sent fr=
om an iPad, please bear with any=C2=A0brevity, uncaught auto-uncorrections,=
 HTML, or other annoyances. Suggestions for a great (not just &#39;good&#39=
;)=C2=A0email app are welcome.</div>

<br><br>-- <br>Sent from Gmail Mobile<br>

--20cf301d39fc57dc5e04fa94e4e5--