Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.python > #58629

Re: How to parse JSON passed on the command line?

References <527B0EA5.4050106@gmail.com>
Date 2013-11-06 20:06 -0800
Subject Re: How to parse JSON passed on the command line?
From Chris Rebert <clp2@rebertia.com>
Newsgroups comp.lang.python
Message-ID <mailman.2119.1383797225.18130.python-list@python.org> (permalink)

Show all headers | View raw


On Wed, Nov 6, 2013 at 7:53 PM, Anthony Papillion <papillion@gmail.com> wrote:
> Hello Everyone,
>
> I'm writing a little helper script in Python that will access a JSON
> formatted argument from the shell when it's called. The parameter will
> look like this:
>
> {"url":"http://www.google.com"}
>
> So, if my program is called "getargfromcli.py" the call will look like this:
>
> getargfromcli.py {"url":"http://www.google.com"}

You probably want
    getargfromcli.py '{"url":"http://www.google.com"}'
instead, so that your string of JSON is treated literally by the shell.

> In the case above, I assume my JSON string will be argv[1]. In fact,
> when I do
>
> print sys.argv[1]
>
> It works as expected and prints out the JSON string as expected like
> this: {url:http://www.google.com}

No, that's not JSON anymore! All the required quotation marks have
gone missing. The shell ate them.

Regards,
Chris

Back to comp.lang.python | Previous | Next | Find similar | Unroll thread


Thread

Re: How to parse JSON passed on the command line? Chris Rebert <clp2@rebertia.com> - 2013-11-06 20:06 -0800

csiph-web