> -----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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