Re: [NTG-context] slashes in paths (Lua code)

1 Jun 2017


      On 05/31/2017 10:00 PM, Hans Hagen wrote:
...
On 5/31/2017 8:51 PM, Pablo Rodriguez wrote:
...
Dear list,
I need to add checksums to files I attach to PDF documents.
[...]
Directories are a problem here. I mean, \shatwo{Desktop/i-context.pdf}
cannot work in Windows.
Which would be the way to make it work in Windows?
Many thanks for your code, Hans.

Pablo
...
\starttext
     \startluacode
     local function sha(cmd,name)
         local f = io.popen(string.format("%s -b %q",cmd,name),"rb")
         if f then
             local s = f:read("*a")
             f:close()
          -- s = string.longtostring(s)
             return string.match(s,"%s*([A-Fa-f0-9]+)")
         end
     end
function document.sha256(name)
         local ok = sha("sha256sum",name)
         if ok then
             context(ok)
         end
     end
function document.sha512(name)
         local ok = sha("sha512sum",name)
         if ok then
             context(ok)
         end
     end
\stopluacode
\def\shatwo #1{\ctxlua{document.sha256("#1")}}
\def\shafive#1{\ctxlua{document.sha512("#1")}}
\shafive{fd.pdf}
\shafive{foo/fd.pdf}
\stoptext
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