diff options
| author | chai <chaifix@163.com> | 2021-11-17 23:03:07 +0800 |
|---|---|---|
| committer | chai <chaifix@163.com> | 2021-11-17 23:03:07 +0800 |
| commit | 27d6efb5f5a076f825fe2da1875e0cabaf02b4e7 (patch) | |
| tree | 44f301110bc2ea742908ed92a78eba0803cd3b60 /Tools/LuaMacro/tests/dollar.lua | |
| parent | b34310c631989551054d456eb47aaab5ded266a4 (diff) | |
+ LuaMacro
Diffstat (limited to 'Tools/LuaMacro/tests/dollar.lua')
| -rw-r--r-- | Tools/LuaMacro/tests/dollar.lua | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Tools/LuaMacro/tests/dollar.lua b/Tools/LuaMacro/tests/dollar.lua new file mode 100644 index 0000000..954416d --- /dev/null +++ b/Tools/LuaMacro/tests/dollar.lua @@ -0,0 +1,22 @@ +local macro = require 'macro'
+
+macro.define('$',function(get)
+ local t,v = get()
+ if t == 'iden' then
+ return 'os.getenv("'..v..'")'
+ elseif t == '(' then
+ local rest = get:upto ')'
+ return 'eval("'..tostring(rest)..'")'
+ end
+end)
+
+return function()
+ return [[
+local function eval(cmd)
+ local f = io.popen(cmd,'r')
+ local res = f:read '*a'
+ f:close()
+ return res
+end
+]]
+end
|