* number-to-string-pad
@ 2018-01-27 7:06 Emanuel Berg
2018-01-27 8:27 ` number-to-string-pad Yuri Khan
[not found] ` <mailman.8069.1517041690.27995.help-gnu-emacs@gnu.org>
0 siblings, 2 replies; 3+ messages in thread
From: Emanuel Berg @ 2018-01-27 7:06 UTC (permalink / raw)
To: help-gnu-emacs
Did anyone do
(defun number-to-string-pad (number len)
(let*((num-str (number-to-string number))
(len-num-str (length num-str))
(pad-len (- len len-num-str)) )
(if (< 0 pad-len)
(let ((pad-prefix (make-string pad-len ?0)))
(concat pad-prefix num-str))
num-str) ))
?
--
underground experts united
http://user.it.uu.se/~embe8573
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: number-to-string-pad 2018-01-27 7:06 number-to-string-pad Emanuel Berg @ 2018-01-27 8:27 ` Yuri Khan [not found] ` <mailman.8069.1517041690.27995.help-gnu-emacs@gnu.org> 1 sibling, 0 replies; 3+ messages in thread From: Yuri Khan @ 2018-01-27 8:27 UTC (permalink / raw) To: Emanuel Berg; +Cc: help-gnu-emacs On Sat, Jan 27, 2018 at 2:06 PM, Emanuel Berg <moasen@zoho.com> wrote: > Did anyone do > > (defun number-to-string-pad (number len) (format "%04d" number) If you don’t know the length beforehand, you could do: (format (format "%%0%dd" len) number) ^ permalink raw reply [flat|nested] 3+ messages in thread
[parent not found: <mailman.8069.1517041690.27995.help-gnu-emacs@gnu.org>]
* Re: number-to-string-pad [not found] ` <mailman.8069.1517041690.27995.help-gnu-emacs@gnu.org> @ 2018-01-27 11:09 ` Emanuel Berg 0 siblings, 0 replies; 3+ messages in thread From: Emanuel Berg @ 2018-01-27 11:09 UTC (permalink / raw) To: help-gnu-emacs Yuri Khan wrote: >> Did anyone do (defun number-to-string-pad >> (number len) > > (format "%04d" number) > > If you don’t know the length beforehand, you > could do: > > (format (format "%%0%dd" len) number) Great, thanks. -- underground experts united http://user.it.uu.se/~embe8573 ^ permalink raw reply [flat|nested] 3+ messages in thread
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2018-01-27 7:06 number-to-string-pad Emanuel Berg
2018-01-27 8:27 ` number-to-string-pad Yuri Khan
[not found] ` <mailman.8069.1517041690.27995.help-gnu-emacs@gnu.org>
2018-01-27 11:09 ` number-to-string-pad Emanuel Berg
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