How to output PID's into a text file from command line (Windows)

I have used various tools that output running processes on Windows, although none of them seem to allow you to export just开发者_StackOverflow中文版 the pids e.g. one PID on each line for each running process.

Is there a way of doing this from command line?

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tasklist /FO CSV gives you a csv list, just yank the 2nd column.

@echo off

for /f "tokens=2 delims=," %%i in ('tasklist /FO CSV') do (
  echo %%i
)

Call this .bat > mytextfile.txt

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for xp, vista, windows 7 you can use tasklist at the command promt