Thanks a lot, Rob ... On Tue, Aug 3, 2010 at 4:13 PM, Rob Coops <rco...@gmail.com> wrote: > > > On Tue, Aug 3, 2010 at 12:26 PM, Sharan Basappa <sharan.basa...@gmail.com> > wrote: >> >> In my program, I am building a text file f that also contains newlines >> irst into an array. >> I push every line to the array, but how do I add new lines to this text? >> >> Regards, >> Sharan >> >> -- >> To unsubscribe, e-mail: beginners-unsubscr...@perl.org >> For additional commands, e-mail: beginners-h...@perl.org >> http://learn.perl.org/ >> >> > > Hi Sharan, > There are several options (it is perl after all :-) > First you could when you are adding a value to the array also add the > newline character: > push (@myarray, $value . "\n"); > Second you could of course add the line feeds as seperate array values: > push (@myarray, $value); > push (@myarray, "\n"); > Third you could of course when you are printing the values from the array > add the linefeeds: > print join("\n", @myarray); > or > foreach my $value ( @myarray ) { > print $value . "\n"; > or > print $value; > print "\n"; > } > There are a few more options but these are the most common once you will see > around the perl world. It really depends on what you want to do with you > array. If you only use the array to print the output I would advise using > the join option as that is certainly the most efficient memory wise and at > least feeling wise the fastest way of working (though I have not verified > this) the second option is just silly and likely quite slow and memory > inefficient. > If you are using the array as a form of log file you might want to have a > look at log4perl on cpan. Which is a much more industrial strength solution > then reinventing the wheel is likely to be. > Regards, > Rob
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