Re: Removing banner from mtxrun output

[Johan Sandblom <jsandblom@gmail.com>]

Perfect, thank you.

Johan

2010/9/21 Aditya Mahajan <adityam@umich.edu>:
> On Tue, 21 Sep 2010, Peter Münster wrote:
>
>> On Tue, Sep 21 2010, Johan Sandblom wrote:
>>
>>> Is there a way to instruct
>>> \typefile to ignore the last four lines of the outputfile? I assume
>>> defining an alternative command which does just that is not too
>>> difficult, but sadly beyond me.
>>
>> It seems, that it's not possible at the moment. There is a tracker item
>> for this feature: http://tracker.luatex.org/view.php?id=475
>
> Not hard to do, just no interface. We can change buffers.range so that it
> accepts {1,-4} to mean from first to last-4 lines, and then just set
>
>  \typefile[lines={1,-4}]{filename}
>
> In any case, it is easy to define a lua function that does this.
>
> \startluacode
>
> function buffers.stripfromend(name, count)
>    local str = buffers.loaddata(name)
>    if str and str~= "" then
>        local lines = str:splitlines()
>        local line, n, action = 0, 0, buffers.typeline
>        local first, last, m = buffers.strip(lines)
>        last = last - count
>        m    = m - count
>        for i=first,last do
>            n, line = action(lines[i], n, m, line)
>        end
>    end
> end
> \stopluacode
>
> \unprotect
> \def\strippedtyping#1#2% count file
>  {\begingroup
>   \tttf
>   \let\obs\specialobeyedspace
>   \ctxlua{buffers.stripfromend(\!!bs#2\!!es, #1)}
>   \endgraf
>   \endgroup}
> \protect
>
> \starttext
>
> \strippedtyping{4}{filename}
>
> \stoptext
>
> To use this with t-filter, you can just say
>
>   readcommand=\strippedtyping{4},
>
>
> Aditya
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-- 
Johan Sandblom, MD PhD
m +46735521477  Sweden
"What is wanted is not the will to believe, but the
will to find out, which is the exact opposite"
- Bertrand Russell
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