"Piping" decoded audio output from one app to the input "file" of another

[Eric Dunbar]

On 4/28/05, bruce woller <brucewoller at comcast.net> wrote:
> Eric:
> Shell scripts are difficult, terse and inflexible.  Have you considered
> using a scripting  language expressly constructed for the types of
> operations you are performing?  Perl, Python, Rexx/Regina, Ruby will
> all make your task easier.  Some even come with a GUI API.  I am
> certain that using shell scripts will enhance your knowledge of the
> *NIX shell but is it that the goal?

Yup, that's the goal :-). Baby steps.

Eric

> On Apr 27, 2005, at 9:19 PM, Eric Dunbar wrote:
> 
> > Further to my question on sending files from one app to another...
> >
> > What I do is download an .ogg stream using wget and stop the download
> > by killall wget. I'd like to write the name of the file that wget is
> > creating to a log file and then use another shell script to read the
> > file name from the log, and, perhaps delete the file name from that
> > log once processed (i.e. re-write the log-file without the name in
> > it).
> >
> > Any ideas? Using grep I imagine but I've not got very far in the
> > output phase of things (how to write/append a script variable to a
> > text file is my first challenge).
> >
> > Thanks, Eric.
> >
> > On 4/27/05, Cian Duffy <myob87 at gmail.com> wrote:
> >> Short answer: Yes, just use a pipe (|) to do it
> >>
> >> Long answer: Don't bother, just recompile LAME with Ogg input support
> >> - its either an official compile option or theres a patch for it.
> >> oggdec is slow (not that LAME doing it will be majorly), and there is
> >> a possibility of pipe-starvation, where LAME could be running faster
> >> than oggdec, and there wouldn't be any file to encode from...
> >>
> >> Cian
> >>
> >> On 27/04/05, Eric Dunbar <eric.dunbar at gmail.com> wrote:
> >>> Hi all,
> >>>
> >>> I'm trying to use oggdec and lame to convert from .ogg to .mp3.
> >>>
> >>> First I decode with oggdec to a .wav file and then from .wav to .mp3
> >>> using lame.
> >>>
> >>> What I was wondering is if it'd be possible to direct the .wav output
> >>> from oggdec *directly* to lame, skipping the intermediate file
> >>> creation process?
> >>>
> >>> Eric.
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