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b75c890
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memoire
loader.lua
Split Recfile reading/writing out from `main.lua`
John Smith
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b75c890
at 2021-349 21:53:44
loader.lua
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--[[ deck loading and saving functions (working with Recfiles) ]] local Prompt = dofile "prompt.lua" local recrw = dofile "recrw.lua" --[[ load a deck (a table of tables of `Prompt`s) from a Recfile ]] local function loaddeck(fname) local fh = io.open(fname) if not fh then return nil end local rt = fh:read "a" if not rt then return nil end fh:close() local pr = recrw.read(rt) if not pr then return nil end local ep = Prompt:fromrecs(pr) return ep end --[[ save a deck (a table of tables of `Prompt`s) to a Recfile ]] local function savedeck(fname, deck) local rrf = {} for i, cg in ipairs(deck) do rrf[i] = Prompt:torec(cg) end local wot = recrw.write(rrf) local fh = io.open(fname, "w") if not fh then io.write("couldn't open output\n") end local wr, err = fh:write(wot) if not wr then io.write("couldn't write to output\n") end fh:close() end return { load = loaddeck, save = savedeck }