RosettaCodeData/Task/Reverse-words-in-a-string/Lua/reverse-words-in-a-string-2...

20 lines
363 B
Lua

function table.reverse(a)
local res = {}
for i = #a, 1, -1 do
res[#res+1] = a[i]
end
return res
end
function splittokens(s)
local res = {}
for w in s:gmatch("%S+") do
res[#res+1] = w
end
return res
end
for line, nl in s:gmatch("([^\n]-)(\n)") do
print(table.concat(table.reverse(splittokens(line)), ' '))
end