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% engine=luatex
%D \module
%D [ file=mtx-context-combine,
%D version=2009.03.21,
%D title=\CONTEXT\ Extra Trickry,
%D subtitle=Combine Files,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright=\PRAGMA]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
%D This is a \TEXEXEC\ features that has been moved to \MKIV.
% begin help
%
% usage: context --extra=combine [options] list-of-files
%
% --sort : sort filenames first
% --paperoffset=dimension : left-top-offset
% --nobanner : no footer etc
% --combination : h*v or hxv
% --paperformat : paper*print or paperxprint
% --nobanner : no footerlines
% --bannerheight : height of banner
% --bannerstring : height of bannerstring
%
% end help
\doifdocumentargumentelse {paperoffset} {
\setuplayout
[topspace=\getdocumentargument{paperoffset},
backspace=\getdocumentargument{paperoffset}]
} {
\setuplayout
[topspace=0pt,
backspace=0pt]
}
\setuplayout
[header=0pt,
footer=0pt,
width=middle,
height=middle]
\startluacode
local combination = document.arguments['combination'] or '2*2'
local nx, ny = string.match(combination,"^(%d+)%s*[%*x]%s*(%d+)$")
if not nx then
nx, ny = 2, 2
elseif not ny then
nx = tonumber(combination) or 2
ny = nx
else
nx = tonumber(nx) or 2
ny = tonumber(ny) or nx or 2
end
document.setargument("nx",nx)
document.setargument("ny",ny)
\stopluacode
\startluacode
local paperformat = document.arguments['paperformat'] or 'A4*A4'
paperformat = string.upper(paperformat)
local f, t = string.match(paperformat,"^(.-)%s*[%*xX]%s*(.-)$")
if not f then
f, t = "A4", "A4"
elseif not t then
t = f
end
document.setargument("from",f)
document.setargument("to",t)
\stopluacode
\setuppapersize
[\getdocumentargument{from}]
[\getdocumentargument{to}]
\doifnotdocumentargument {bannerheight} {
\setuplayout
[footer=1cm]
}
\doifdocumentargumentelse {nobanner} {yes} {
\setuplayout
[footer=0cm]
\setupbackgrounds
[page]
[background=]
} {
\definelayer
[page]
[width=\paperwidth,
height=\paperheight]
\setupbackgrounds
[page]
[background=page]
}
\setupexternalfigures
[directory=]
\starttext
\startluacode
local format = string.format
local fprint = function(...) tex.sprint(tex.ctxcatcodes,format(...)) end
if #document.files > 0 then
if document.arguments["sort"] then
table.sort(document.files)
end
local dobanner = not document.arguments["nobanner"]
local bannerheight = document.arguments["bannerheight"]
local nx = document.arguments.nx or 2
local ny = document.arguments.ny or 2
for _, filename in ipairs(document.files) do
if not string.find(filename,"^mtx%-context%-") then
-- could be a macro
local bannerstring = format("\\tttf\\detokenize{%s}\\quad\\quad\\currentdate\\quad\\quad\\pagenumber",file.basename(filename))
if dobanner then
if bannerheight then
fprint("\\setuptexttexts[{\\setlayerframed[page][preset=middlebottom][frame=off,height=%s]{%s}}]",bannerheight,bannerstring)
else
fprint("\\setupfootertexts[{%s}]",bannerstring)
end
end
fprint("\\combinepages[%s][nx=%s,ny=%s]",filename,nx,ny)
fprint("\\page")
end
end
else
fprint("no files given")
end
\stopluacode
\stoptext
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