diff options
Diffstat (limited to 'Master/texmf-dist/doc/support/cluttex/src/texrunner/shellutil_windows.lua')
-rw-r--r-- | Master/texmf-dist/doc/support/cluttex/src/texrunner/shellutil_windows.lua | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/Master/texmf-dist/doc/support/cluttex/src/texrunner/shellutil_windows.lua b/Master/texmf-dist/doc/support/cluttex/src/texrunner/shellutil_windows.lua index cd0cc11fe9d..a8f4d763aa0 100644 --- a/Master/texmf-dist/doc/support/cluttex/src/texrunner/shellutil_windows.lua +++ b/Master/texmf-dist/doc/support/cluttex/src/texrunner/shellutil_windows.lua @@ -1,5 +1,5 @@ --[[ - Copyright 2016 ARATA Mizuki + Copyright 2016,2019 ARATA Mizuki This file is part of ClutTeX. @@ -18,6 +18,7 @@ ]] local string_gsub = string.gsub +local os_execute = os.execute -- s: string local function escape(s) @@ -30,6 +31,13 @@ assert(escape([[Hello" world!]]) == [["Hello\" world!"]]) assert(escape([[Hello\" world!"]]) == [["Hello\\\" world!\""]]) -- END TEST CODE +local function has_command(name) + local result = os_execute("where " .. escape(name) .. " > NUL 2>&1") + -- Note that os.execute returns a number on Lua 5.1 or LuaTeX + return result == 0 or result == true +end + return { escape = escape, + has_command = has_command, } |