DD> [...] directory containing 1.jpg, 2.jpg, 3.jpg, how would I also 
 DD> create a set of files (preferably empty) in that directory that 
 DD> are named 1.txt, 2.txt, 3.txt that are less than 1 or 2 bytes 
 DD> each in size?

 DD> I'm running Warp 4 with 4OS2/32 Version 2.5 

for %j in (*.jpg) do copy /r nul %{at}instr[0,%{at}eval[%{at}len[%j]-3],%j]txt

 ¯ JdeBP ®

--- FleetStreet 1.19 NR