Re^2: compare data between two files using Perl

Hey, I wanted to know more about: while (my ($key, $val) = each %seen) { how to interpret this. I looked at perlvar, not much idea. thanks, Hashmat

Comment on Re^2: compare data between two files using Perl

Replies are listed 'Best First'.
Re^3: compare data between two files using Perl by svenXY (Deacon) on Dec 16, 2008 at 13:04 UTC
each() will help you with your question. To put it short: each() returns a list of the next key/value pair and uses memory very efficiently. Regards, svenXY	[reply]
Re^4: compare data between two files using Perl by Anonymous Monk on Dec 16, 2008 at 14:18 UTC
Right. But how do I split $key to get my original keys ?	[reply]
Re^4: compare data between two files using Perl by Anonymous Monk on Dec 16, 2008 at 14:20 UTC
Right. But I wanted to know from $value how do I get the original tuples ?	[reply]
Re^4: compare data between two files using Perl by Anonymous Monk on Dec 16, 2008 at 15:08 UTC
Sorry, its rather I wanted to know from $key how do I get the original tuples ?	[reply]