>  -----Original Message-----
> From:         Nilay   Puri, Noida  
> Sent: Wednesday, February 04, 2004 11:37 AM
> To:   Perl (E-mail)
> Subject:      FW: special vars
> 
> 
> 
>  -----Original Message-----
> From:         Nilay   Puri, Noida  
> Sent: Wednesday, February 04, 2004 11:32 AM
> To:   Perl (E-mail)
> Subject:      special vars
> 
> Hi all,
> 
> Can any one help me understand the usage of special variable $| ?
> 
> I know the description of this var. If set to nonzero, forces a flush
> after every write or print.
> 
> But I am not able to understand its importance.
> 
> If I am reading a file and writing the contents in a separat file after
> some processing.
> What will happen if I set $|=1 ?
> 
> Thanks,
> NP
> 
> 
> 
> 

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