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Re: running emacs in perl script

From: Barry Margolin
Subject: Re: running emacs in perl script
Date: Sun, 08 Feb 2004 16:34:55 GMT
User-agent: MT-NewsWatcher/3.3b1 (PPC Mac OS X)

In article <address@hidden>,
 Adam Hardy <address@hidden> wrote:

> I've got a perl script which I use for ripping CDs. It gets the CDDB 
> entry off the net, saves the entry in a file and then asks if I want to 
> edit it with this command:
> print `emacs \"/tmp/xmcd/$files[2]\"`;
> This launches emacs with the file nicely in x-windows. However I often 
> want to run the script on an old box which runs x so slowly I never 
> bother and do everything on the command line.
> But on the command line, this command above launches emacs in the 
> background I think. I'm not sure. I never see emacs, the script just 
> sits there with the cursor blinking, hanging below the command line.
> If I do 'ps -eaf' I see an emacs process. But I can't get to it.
> It makes no difference if I put the '-nw' flags on the emacs command.
> Does anybody know what to do?

I think the problem is the backticks.  That causes emacs to be run with 
its stdout piped to the script.  I'm not sure why you're doing that -- 
do you really want to print all of the output that emacs generates?  
Something like this should be more appropriate:

system('emacs', "/tmp/xmcd/$files[2]");

Barry Margolin, address@hidden
Arlington, MA
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