David Carlisle <[log in to unmask]> writes: > On 28/07/2023 18:25, LARONDE Thierry wrote: >> Why in this case not having requested a \filefind primitive, with an >> argument specifying a required extension (an empty string if to be >> taken as is), and using the return value with other primitives (size, >> moddate, md5, dump) doing no search and no extension (very "primitive" >> primitives)? > > you are asking on a latex list, but this is not a latex issue. > > \pdffilesize has had this behaviour in pdftex for decades, and another > primitive isn't needed. As a side comment: "another primitive isn't needed" is kind of a fundamental LaTeX mantra: as opposed to LuaTeX/Context, traditional LaTeX development has always taken the position of being "downstream", making do with whatever the engines (with a particularly long and thorough focus on the original TeX engine) provide. -- David "\romannumeral" Kastrup