jobreplace.lua

--replaces jobs with selected race workers
local trg_race=338
local workers={}
local bad_jobs={}
for k,v in pairs(df.global.world.units.active) do --find possible workers
    if v.civ_id==df.global.ui.civ_id and v.race==trg_race and v.job.current_job==nil and not v.flags1.dead then
        table.insert(workers,v)
    end
end
local last_id,jobs=dfhack.job.listNewlyCreated(0) 
for k,v in pairs(jobs) do --filter available jobs
    local worker=dfhack.job.getWorker(v)
    if not worker or worker.race~=trg_race then --also replaces already working
        table.insert(bad_jobs,v)
    end
end
function replaceWorker(job,worker)
    local old_worker=dfhack.job.getWorker(job)
    if old_worker then
        old_worker.job.current_job=nil
    end
    worker.job.current_job=job
    local ref=dfhack.job.getSpecificRef(job, df.general_ref_type.UNIT_WORKER)
    if ref then
        ref.unit_id=worker.id
    else
        job.general_refs:insert("#",{new=df.general_ref_unit_workerst,unit_id=worker.id})
    end
end
local i=1
for k,v in pairs(workers) do
    if bad_jobs[i] then
        replaceWorker(bad_jobs[i],v)
        i=i+1
    end
    
end