diff --git a/client/luascripts/lf_em4100_bulk.lua b/client/luascripts/lf_em4100_bulk.lua
new file mode 100644
index 000000000..30aaa98fc
--- /dev/null
+++ b/client/luascripts/lf_em4100_bulk.lua
@@ -0,0 +1,168 @@
+local getopt = require('getopt')
+local utils = require('utils')
+local ac = require('ansicolors')
+
+copyright = ''
+author = "Christian Herrmann"
+version = 'v1.0.0'
+desc = [[
+Perform bulk EM410x enrollment of T5577 RFID tags.  It keeps track of last card id used.
+If called with -s,  this value resets "session".
+
+if press <enter>  it defaults to Y,  which writes a ID.
+Any other input char will exit the script.
+
+]]
+example = [[
+    -- resets and start enrolling EM410x id 11CC334455    
+    script run lf_em4100_bulk.lua -s 11CC334455
+
+    -- continue enrolling from where last iteration
+    script run lf_em4100_bulk.lua -c
+]]
+usage = [[
+script run lf_en4100_bulk.lua [-h] [-c] [-s <start cn>]
+]]
+arguments = [[
+    -h      : this help
+    -c      : continue from last card number used
+    -s      : starting card number
+    ]]
+
+    -- Some globals
+local DEBUG = false
+local ENROLL_STATUS_FN = 'lf_em4100_status.txt'
+---
+-- A debug printout-function
+local function dbg(args)
+    if not DEBUG then return end
+    if type(args) == 'table' then
+        local i = 1
+        while args[i] do
+            dbg(args[i])
+            i = i+1
+        end
+    else
+        print('###', args)
+    end
+end
+---
+-- This is only meant to be used when errors occur
+local function oops(err)
+    print('ERROR:', err)
+    core.clearCommandBuffer()
+    return nil, errr
+end
+---
+-- Usage help
+local function help()
+    print(copyright)
+    print(author)
+    print(version)
+    print(desc)
+    print(ac.cyan..'Usage'..ac.reset)
+    print(usage)
+    print(ac.cyan..'Arguments'..ac.reset)
+    print(arguments)
+    print(ac.cyan..'Example usage'..ac.reset)
+    print(example)
+end
+---
+-- Exit message
+local function exitMsg(msg)
+    print( string.rep('--',20) )
+    print( string.rep('--',20) )
+    print(msg)
+    print()
+end
+---
+--
+local function readfile()
+    local f = io.open(ENROLL_STATUS_FN, "r")
+    if f == nil then
+        return nil, string.format("Could not read file %s", ENROLL_STATUS_FN)
+    end
+    local t = f:read("*all")
+    f:close()
+    local cn = tonumber(t, 16)
+    print(('Using EM4100 ID '..ac.green..'%010X'..ac.reset..' from `'..ac.yellow..'%s'..ac.reset..'`'):format(cn, ENROLL_STATUS_FN))
+    return cn
+end
+---
+--
+local function writefile(cn)
+    local f = io.open(ENROLL_STATUS_FN, "w")
+    if f == nil then
+        return nil, string.format("Could not write to file %s", ENROLL_STATUS_FN)
+    end
+    f:write(("%010X\n"):format(cn))
+    f:close()
+    print(('Wrote EM4100 ID '..ac.green..'%010X'..ac.reset..' to `'..ac.yellow..'%s'..ac.reset..'`'):format(cn, ENROLL_STATUS_FN))
+    return true, 'Ok'
+end
+
+---
+-- main
+local function main(args)
+
+    print( string.rep('--',20) )
+    print( string.rep('--',20) )
+    print()
+
+    if #args == 0 then return help() end
+
+    local shall_continue = false
+    local startid = ''
+
+    for o, a in getopt.getopt(args, 'cs:h') do
+        if o == 'h' then return help() end
+        if o == 'c' then
+            shall_continue = true
+        end
+        if o == 's' then startid = a end
+    end
+
+    -- if reset/start over, check -s
+    if not shall_continue then 
+        if startid == nil then return oops('empty card number string') end
+        if #startid == 0 then return oops('empty card number string') end
+        if #startid ~= 10 then return oops('card number wrong length. Should be 5 hex bytes') end
+    end
+
+    core.console('clear')
+    print(ac.red..'disable hints for less output'..ac.reset)
+    core.console('pref set hint --off')
+    print('')
+    
+    local sid = tonumber(startid, 16)    
+    if shall_continue then
+        print('Continue enrolling from last save')
+        sid = readfile()
+    else
+        print('reset & starting enrolling from refresh')
+    end
+   
+    local template = 'EM4100 ID '..ac.green..'%010X'..ac.reset
+    local curr = sid
+    for i = sid, sid + 10000, 1 do
+        curr = i
+
+        print('')
+        print( string.rep('--',20) )
+        local msg = (template):format(curr)
+        local ans = utils.input(msg, 'y'):lower()
+        if ans == 'y' then
+            core.console( ('lf em 410x clone --id %010X'):format(curr) )
+            --        print ( ('lf em 410x clone --id %010X'):format(curr) )
+        else
+            print(ac.red..'User aborted'..ac.reset)
+            break
+        end
+    end
+    writefile(curr)
+
+    print('enabling hints again')
+    core.console('pref set hint --on')
+end
+
+main(args)