GNU bug report logs - #24812
25.1; Missing (binary) radix format directive

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Package: emacs; Severity: wishlist; Reported by: Alex <agrambot@HIDDEN>; dated Fri, 28 Oct 2016 04:25:01 UTC; Maintainer for emacs is bug-gnu-emacs@HIDDEN.

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From: Alex <agrambot@HIDDEN>
To: 24812 <at> debbugs.gnu.org
Subject: Re: 25.1; Missing (binary) radix format directive
References: <87zilpqexn.fsf@HIDDEN>
Date: Sat, 29 Oct 2016 13:34:02 -0600
In-Reply-To: <87zilpqexn.fsf@HIDDEN> (Alex's message of "Thu, 27 Oct 2016
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Alex <agrambot@HIDDEN> writes:

> Emacs' `format' has %o, %x, and %d, but it's missing both the ~r and ~b
> radix directives from Common Lisp's `format'.
>
> I can understand leaving out ~r, but I think ~b is worth adding to
> Emacs' `format'.
>
> CL example:
> (format nil "~b" 5) => "101"
>
> Requested:
> (format "%b" 5) => "101"

I noticed that while string_to_number supports an arbitrary base,
number_to_string doesn't.

If number_to_string was symmetric in this aspect, then ~b and ~r should
be straightforward to implement, right?




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#24812; Package emacs. Full text available.

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From: Alex <agrambot@HIDDEN>
To: bug-gnu-emacs@HIDDEN
Subject: 25.1; Missing (binary) radix format directive
Date: Thu, 27 Oct 2016 22:24:04 -0600
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Emacs' `format' has %o, %x, and %d, but it's missing both the ~r and ~b
radix directives from Common Lisp's `format'.

I can understand leaving out ~r, but I think ~b is worth adding to
Emacs' `format'.

CL example:
(format nil "~b" 5) => "101"

Requested:
(format "%b" 5) => "101"




Acknowledgement sent to Alex <agrambot@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs@HIDDEN. Full text available.
Report forwarded to bug-gnu-emacs@HIDDEN:
bug#24812; Package emacs. Full text available.
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