Bash and Single Quotes

Mikkel L. Ellertson mikkel at infinity-ltd.com
Sun Jan 11 03:40:13 UTC 2009


RGH wrote:
> 
> I'm trying to write a shell script to convert video files using vlc and
> avidemux, and I've run into a problem. I need to be able to do something
> like this:
> 
>    vlc -v -I dummy $FIL
> --sout='#transcode{vcodec=dummy,acodec=mp3,ab=192}:std{access=file,mux=dummy,dst="$MP3"}'
> vlc://quit
> 
> But of course this doesn't work because the $MP3 variable doesn't get
> expanded in single quotes. The single quotes seem to need to be there to
> protect the "{", though. So, how can this be done?
> 
> Cheers,
> rh
> 
You should be able escape the { by using a \ before it.
 \{ in place of {. It should also work for any other special characters.

Mikkel
-- 

  Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!

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