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-- Execute lua commands interactively or from files.

local args={...}

local cmd = args[1]

if cmd=="--file" or cmd=="-f" then

local f,err=loadfile (args[2])

if f==nil then

qerror(err)

end

dfhack.pcall(f,table.unpack(args,3))

elseif cmd=="--save" or cmd=="-s" then

if df.global.world.cur_savegame.save_dir=="" then

qerror("Savefile not loaded")

end

local fname=args[2] or "dfhack.lua"

fname=string.format("data/save/%s/%s",df.global.world.cur_savegame.save_dir,fname)

local f,err=loadfile (fname)

if f==nil then

qerror(err)

end

dfhack.pcall(f,table.unpack(args,3))

elseif cmd~=nil then

-- Support some of the prefixes allowed by dfhack.interpreter

local prefix

if string.match(cmd, "^[~!]") then

prefix = string.sub(cmd, 1, 1)

cmd = 'return '..string.sub(cmd, 2)

end

local f,err=load(cmd,'=(lua command)', 't')

if f==nil then

qerror(err)

end

local rv = table.pack(dfhack.safecall(f,table.unpack(args,2)))

if rv[1] and prefix then

print(table.unpack(rv,2,rv.n))

if prefix == '~' then

printall(rv[2])

end

end

else

dfhack.interpreter("lua","lua.history")

end