Re: [FFmpeg-user] It appears that FFmpeg is slipping into command mode

On Sun, Jul 27, 2025 at 8:34 AM Mark Filipak <markfilipak.imdb@gmail.com> wrote:

executes, it's apparently slipping into command mode and taking in the next line

echo ffconcat version 1.0>"%JOB%CONCATa1.txt"

So prefixing the ">" with a number actually changes the redirection behavior to indicate the specific filenumber to redirect (e.g. "2> blah" redirects stderr). Try the following: echo "ffconcat version 1.0" >"%JOB%CONCATa1.txt" and see if starts working for you. Devin -- Devin Heitmueller, Senior Software Engineer LTN Global Communications o: +1 (301) 363-1001 w: https://ltnglobal.com e: devin.heitmueller@ltnglobal.com