On 9/21/2018 10:44 AM, Taco Hoekwater wrote:
On 21 Sep 2018, at 10:30, Henri Menke <henrime...@gmail.com> wrote:
On 21/09/18 20:09, J Huisman wrote:
Hi all,
I'm getting back to using ConTeXt after a couple of years, so I might
be missing something obvious...
I would like to add an I.D. code to the name of my outputfile, but
since this will be used in an automated environment I would like to
load the ID-code from the source file.
MWE: test.tex
\starttext
\def\idcode{something}
Some text, whatever.
\stoptext
If I typeset with: context text --result=test-idcode the result is
obviously "test-idcode.pdf", but I want to get a file name:
"test-something.pdf"
Is this possible?
Once you enter TeX, the output file has been opened. The very concept
of a filesystem forbids you to change the filehandle while writing. So
no, it is not possible easily.
But it can be done sneakily …
% start demo
\enabledirectives[system.callbacks.permitoverloads]
% previous line allows redefinition of ‘wrapup_run’
% to keep the code short, I use a direct definition of
% \idcode and \ctxlua. Nicer would be to store the desired
% output name in a lua variable and replace the
% \ctxlua with \startluacode … \stopluacode with
% a string.format inside it.
\def\idcode{something}
\ctxlua{callbacks.register('wrapup_run', function()
os.execute("cp \jobname.pdf doc-\idcode.pdf")
end)}
\starttext
Hello from \idcode
\stoptext
% stop demo
In order to prevent future overloads (currently context doesn't itself
use the wrapup) I've added luatex.wrapup:
\startluacode
luatex.wrapup(function()
for i=1,10 do
print("DONE",i)
end
end)
luatex.wrapup(function()
for i=1,10 do
print("MORE",i)
end
end)
\stopluacode
\starttext
test
\stoptext
no beta yet
Hans
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