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--[[
This example shows how to use multiple-value options that get appended into a
list.
Try this file with the following invocations;
multiple_options.lua --help
multiple_options.lua \
-i http://www.google.com \
-i http://www.yahoo.com \
-j 2 \
combined.html
--]]
local cli = require "cliargs"
cli:set_name("example.lua")
cli:splat("OUTPUT", "Path to where the combined HTML output should be saved.", "./a.html")
cli:option("-i URLs...", "A url to download. You can pass in as many as needed", {} --[[ this is the important bit! ]])
cli:option("-j THREADS", "Concurrency threshold; the higher the number, the more files will be downloaded in parallel.", "2")
-- Parses from _G['arg']
local args, err = cli:parse()
if not args and err then
print(err)
os.exit(1) -- something wrong happened and an error was printed
end
if #args.i > 0 then
print("Source URLs:")
for i, url in ipairs(args.i) do
print(" " .. i .. ". " .. url)
end
print("Downloading ".. #args.i .. " files in " .. tonumber(args.j) .. " threads.")
print("Output will be found at " .. args.OUTPUT)
else
print("No source URLs provided, nothing to do!")
end
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