Normalize Input

Normalize small input labels before counting useful records.

normalize_input.lua

local min_length = 
local kept = 0
local labels = ""

for _, raw in ipairs({"  Ada  ", "Lua", "Trace"}) do
  local name = raw:lower():gsub("^%s+", ""):gsub("%s+$", "")
  if #name >= min_length then
    kept = kept + 1
    labels = labels .. name .. ";"
  end
end

print("min_length=" .. min_length)
print("kept=" .. kept)
print("labels=" .. labels)

local min_length = 
local kept = 0
local labels = ""

for _, raw in ipairs({"  Ada  ", "Lua", "Trace"}) do
  local name = raw:lower():gsub("^%s+", ""):gsub("%s+$", "")
  if #name >= min_length then
    kept = kept + 1
    labels = labels .. name .. ";"
  end
end

print("min_length=" .. min_length)
print("kept=" .. kept)
print("labels=" .. labels)

local min_length = 
local kept = 0
local labels = ""

for _, raw in ipairs({"  Ada  ", "Lua", "Trace"}) do
  local name = raw:lower():gsub("^%s+", ""):gsub("%s+$", "")
  if #name >= min_length then
    kept = kept + 1
    labels = labels .. name .. ";"
  end
end

print("min_length=" .. min_length)
print("kept=" .. kept)
print("labels=" .. labels)

normalization Pipeline code often trims or lowers values before comparing them.

counting The final count stays scalar so replay can show the pipeline result clearly.