[pass] Provide symbol set as command line argument

[Brian Minton]

When using base64, if your input size is not a multiple of 3, you are
guaranteed to have at least one symbol, the = used for padding.

On Sat, Nov 12, 2016, 5:45 PM Kenny Evitt <kenny.evitt at gmail.com> wrote:

> 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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