Snippets accompanying Redis Lua Debugger blog post

00-rld-start.lua

rld.start()

01-prog.lua

rld.start()

local function isanswer(n)
  local answer = 42
  if n == answer then
    return true
  else
    return false
  end
end

local t = isanswer(ARGV[1])

return ARGV[1] .. " " .. (t and "is" or "isn't") .. " the answer"

02-run.txt

foo@bar:~$ redis-cli --eval rld.lua
"rld v0.1.0 loaded to Redis"
foo@bar:~$ redis-cli --eval prog.lua , 42
"42 isn't the answer"

03-redis-log.txt

foo@bar:~$ tail -n 19 /var/log/redis_6379.log 
[891] 31 Dec 06:37:09.001 # [rld] -- rld v0.1.0 loaded to Redis
[891] 31 Dec 06:37:09.492 # [rld] -- rld v0.1.0 started
[891] 31 Dec 06:37:09.492 # [rld] ARGV[1] = '42'
[891] 31 Dec 06:37:09.492 # [rld] at Lua:@user_script (line: 10)
[891] 31 Dec 06:37:09.493 # [rld] at Lua:@user_script (line: 12)
[891] 31 Dec 06:37:09.493 # [rld] new [isanswer] = (function)
[891] 31 Dec 06:37:09.493 # [rld] call to function Lua:isanswer
[891] 31 Dec 06:37:09.493 # [rld]     args [n] = '42'
[891] 31 Dec 06:37:09.493 # [rld]     at Lua:isanswer (line: 4)
[891] 31 Dec 06:37:09.493 # [rld]     at Lua:isanswer (line: 5)
[891] 31 Dec 06:37:09.493 # [rld]     new [answer] = 42
[891] 31 Dec 06:37:09.493 # [rld]     at Lua:isanswer (line: 8)
[891] 31 Dec 06:37:09.493 # [rld] return from function Lua:isanswer
[891] 31 Dec 06:37:09.493 # [rld] at Lua:@user_script (line: 14)
[891] 31 Dec 06:37:09.493 # [rld] new [t] is false
[891] 31 Dec 06:37:09.493 # [rld] return from function Lua:@user_script
[891] 31 Dec 06:37:09.494 # [rld] -- profiler summary:
[891] 31 Dec 06:37:09.494 # [rld] --   Lua:isanswer called x1 times
[891] 31 Dec 06:37:09.494 # [rld] -- rld exited: end of script.