use lua-run for shelling out to highlightHEADtrunk

1 files changed, 5 insertions, 10 deletions

diff --git a/init.lua b/init.lua
index 801f9d2..6f09cb8 100644
--- a/init.lua
+++ b/init.lua
@@ -3,16 +3,11 @@ local T = html.T
 local prose = require'garkup.prose'
 
 local function highlight(code, lang)
-	-- you'd better not already be using that file
-	local infile = assert(io.open("/tmp/highlighter_input","w"))
-	assert(infile:write(code))
-	local outhandle = assert(io.popen("highlight -f -S "..lang.." --inline-css --enclose-pre </tmp/highlighter_input", "r"))
-	local output = assert(outhandle:read"a")
-
-	outhandle:close()
-	infile:close()
-
-	return html.safe(output)
+	local run = require'run'
+	return html.safe(run{
+		"highlight", "-f", "-S", lang, "--inline-css", "--enclose-pre",
+		input = code,
+	})
 end
 
 local function mode_code(S)