On Thu, Jan 21, 2010 at 06:11:10AM -0800, Yan Seiner wrote:
> Greg Wooledge wrote:
> >grep definitely has this buffering behavior. If you're using GNU grep,
> >you can give it the --line-buffered option to change this, at least
> >according to whichever contributor added that one to
> >http://mywi
Greg Wooledge wrote:
On Wed, Jan 20, 2010 at 07:34:35AM -0800, CptDpondo wrote:
mencoder 2>&1 | tr '\r' '\n' | grep -v -B 1 '^Pos'
this eventually creates the correct output, but it's buffered until
mencoder completes. I have no idea why; the tr command streams
without buffering and I'
On Wed, Jan 20, 2010 at 07:34:35AM -0800, CptDpondo wrote:
> mencoder 2>&1 | tr '\r' '\n' | grep -v -B 1 '^Pos'
>
> this eventually creates the correct output, but it's buffered until
> mencoder completes. I have no idea why; the tr command streams
> without buffering and I've used grep for
On Wed, 20 Jan 2010 07:34:35 -0800, CptDpondo wrote:
> Note that it's using \r instead of \n for line breaks; that's to
> overwrite the status line without scrolling the screen. this works fine
> when displaying on a terminal.
>
> I'm trying to reduce this to where it only prints the status lin
I'm trying to set up a pipe and it's not doing what I expect.
By way of background, I'm using mencoder to create a video file.
mencoder prints a status line every 0.1 seconds in the following
format:
Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
videocodec: libavcodec (704x464 four
