This means that nothing is output to stdout from tail. Maybe its
buffered, maybe its outputting to stderr, maybe in the input file
has been renamed or rotated. What OS are you running this on?
BArry
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Phil
> Harris
> Sent: 06 July 2001 09:32
> To: [EMAIL PROTECTED]; Arthur Lee
> Subject: Re: popen usage
>
>
> Arthur,
>
> If you mean to add the second readline then the script already has that, I'd
> shortened the script for clarity.
>
> The problem is that it doesn;'t get past the first readline.
>
> Someone has responded off-list so I'll try his suggestions first before
> anymore questions.
>
> Thanks anyway.
>
> Phil
>
> ----- Original Message -----
> From: Arthur Lee
> To: Phil Harris ; [EMAIL PROTECTED]
> Sent: Friday, July 06, 2001 7:29 AM
> Subject: Re: popen usage
>
>
> Perhaps it should have been the following? :
>
> 1: stdin=os.popen('tail -f somefile')
> 2: logline=re.compile('(.*?).*?- - \[(.*?)\] "(.*?) (.*?)" (.*?)
> (.*?)"(.*?)" (.*?)".*')
> 3: a=stdin.readline()
> 4: print a
> 5: while a:
> 6: g=logline.search(a)
> 7: if not g: continue
> 8: a=stdin.readline()
>
>
> Regards,
> Arthur
>
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