On Wed, May 18, 2016 at 06:39:06AM +0000, Meer, Hans van der wrote: > > On 18 May 2016, at 07:38, Will Robertson <w...@wspr.io<mailto:w...@wspr.io>> > wrote: > It should be fine to have something like > > \IfFileExists{luatex85.sty}{\usepackage{luatex85}}{} > > for the time being. This should catch 99.999% of users? > > This is the macro I am using to find if a file exists and act upon it. Hope > this helps. > > % .... File finding > ........................................................... > > % If #1.#2 or #1 exists execute #3{#1} and return \iftrue else only return > \iffalse. > % do not forget to close with \fi or with \else...\fi > % Use #3=\gobbleoneargument to effectively kill #3{file}. > % Use #3=\relax to leave file behind. > % Use #3={\def\macrotodefine} to define file as macro content. > \def\iffilewithsuffix#1#2#3{% > \let\mynext\iftrue > \doiffileelse{#1.#2}% existence of #1.#2 tested > {#3{#1.#2}}% #1.#2 does exist > {\doiffileelse{#1}% existence of #1 tested > {#3{#1}}% #1 exists > {\let\mynext\iffalse}% neither file exists remove macro call > }% > \mynext > } > \def\ifexistfilewithsuffix#1#2{% > \let\mynext\iftrue > \doifnotfile{#1.#2}{\doifnotfile{#1}{\let\mynext\iffalse}}% > \mynext > } > > Hans van der Meer > >
Thanks Hans and everyone else for all the help. Scott
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