SETVAR i = 0
SETVAR num = 50

REM Can be read as: For i = 0; i < num; i++

LOOP COND %i% < %num% ? REPEATS 1 SETVARO i = set /a %i% + 1 | ^

DISPMSG %i% or do something here ^

&& CONTINUE

REM Append time lapsed into text file: data\sum.txt
SHELL echo %i% %DURATION_FROM_START% >> @@data\sum.txt