[pass] Provide symbol set as command line argument

[Kenny Evitt]

You're right, and you provided me with a nice little (fun) project
yesterday. I asked a question on the statistics Stack Exchange site
<http://stats.stackexchange.com/questions/245610/not-generating-a-valid-password>
about how likely it is for those commands to fail to generate a password of
sufficient length. While writing up the question I also tested it. In the
12,000 times I ran the commands only *one* execution failed to generate a
password of less than 32 characters (really, 130 characters). The one
failure was actually the 'worst' possible failure – the password was empty!
But given a success rate of 11,999 out of 12,000, the commands seem even
more likely to be good enough for a lot of cases.

Regarding the larger discussion, I think options or settings to specify an
external password generator, both as a default and as an argument for
generating a specific password, would be both useful and keeping with the
relative compactness of Pass's features.

On Fri, Nov 11, 2016 at 4:41 AM, Kevin Cox <kevincox at kevincox.ca> wrote:

> On 11/11/16 09:26, Henrik Christian Grove wrote:
>
>> Den 10-11-2016 kl. 16:14 skrev Kevin Cox:
>>
>>>
>>> On Nov 10, 2016 14:43, "Kenny Evitt" <kenny.evitt at gmail.com
>>> <mailto:kenny.evitt at gmail.com>> wrote:
>>>
>>>      I then edited "test.txt", inserted a newline between the `4` and
>>>      `5`, and saved the file. I reran the same command as before:
>>>
>>>
>>> Head be default takes 10 lines. So you'll need a couple more newlines.
>>>
>> By default, yes, but he explicit specifies '-c 10' overriding the
>> default, and tr will have removed the newlines before head gets them.
>> Can you actually demonstrate the bug you claim to be there? (I'm not
>> sure no kind of nastiness can hide in those pipes)
>>
>> .Henrik
>>
>> PS. The lack of a way to choose passwords without/with only certain
>> characters is one of the reasons I still haven't switched to pass (using
>> pwsafe), even though I like the project.
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>>
>
> I'm talking about the first head, not the second. This command gives you
> 12345 when you expected 12345678.
>
> echo '12345
>
>
>
>
>
>
>
>
>
> 67890' | head | tr -dc '0-9 | head -c 8 && echo
>
> A fixed command looks like this (drop the unnecessary head)
>
> tr -dc 'A-Za-z0-9!"#$%&'\''()*+,-./:;<=>?@[\]^_`{|}~' </dev/random | head
> -c 32 && echo
>
>
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>
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