This tells me there are 181 files in v:\.
V:\num is empty, but
Note that _STARTPID behaves similarly, retaining its last value when START fails (see thread in "Suggestions").
Code:
v:\> do f in /a:-d * ( echo foo > NUL) & echo %_do_files
181V:\num is empty, but
Code:
v:\num> do f in /a:-d * ( echo foo > NUL) & echo %_do_files
181Note that _STARTPID behaves similarly, retaining its last value when START fails (see thread in "Suggestions").