Thanks Mark.
I enjoyed this discussion and learned alot!
--Mohammad
On Friday, February 15, 2019 at 11:04:30 PM UTC+3:30, Mark S. wrote:
>
> A little late to the party. Here's my version, that takes any number (or
> character) for padding:
>
> \define padder-reg() ^$(len)$$
> \define padder(str,len,chr:"0")
> <$vars len=<<__len__>>>
> <$list filter="[<__str__>addprefix<__chr__>]" variable="padstr">
> <$list filter="[<padstr>length[]!regexp<padder-reg>]" emptyMessage=<<
> padstr>>>
> <$macrocall $name="padder" str=<<padstr>> len=<<__len__>> chr=<<__chr__>>
> />
> </$list>
> </$list>
> </$vars>
> \end
>
> <<padder "25" "15">>
>
> The weakness is if the starting number has more characters than the pad
> number, it will never complete.
>
> -- Mark
>
> On Friday, February 15, 2019 at 11:28:24 AM UTC-8, Mohammad wrote:
>>
>> Added to TW-Scripts.
>>
>> On Friday, February 15, 2019 at 10:31:43 PM UTC+3:30, Eric Shulman wrote:
>>>
>>> On Friday, February 15, 2019 at 9:36:26 AM UTC-8, Mohammad wrote:
>>>>
>>>> But we do not know in advance what is the number, and it is given by
>>>> user!
>>>> So if n is a variable, then how we can generate these numbers?
>>>>
>>>>>
>>> If we DID know the number in advance, we could just use it in the
>>> operand of the range[...]
>>>
>>> For example, suppose the desired number is, say, 256. Then we could
>>> just modify the filter be:
>>> [range[9]addprefix[00]] [range[10,99]addprefix[0]] [range[100,256]]
>>>
>>> However, since you want the number to be "given by user", we need to use
>>> a different approach. Instead of hard-coding the number, we can use the
>>> limit[...] filter. Let's suppose the desired number is in variable called
>>> "max". Then we could write:
>>> [range[9]addprefix[00]] [range[10,99]addprefix[0]] [range[100,999] +[
>>> limit<max>]
>>>
>>> and if the desired number is in a tiddler (e.g. $:/temp/input/userlimit,
>>> as a result of user input), we could write:
>>> [range[9]addprefix[00]] [range[10,99]addprefix[0]] [range[100,999] +[
>>> limit{$:/temp/input/userlimit}]
>>>
>>> -e
>>>
>>> note: edited to fix missing syntax in last two examples.
>>>
>>
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