09-16-2011
Therefore, the output should be:
1.- Lines that exists only in one of the two files.
2.- Lines whose first three columns are the same but the difference between the number of the fourth is different from 0.1 or -0.1. In that case, the line of what file is what you have to write to output?
Regards,
Birei
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LEARN ABOUT MOJAVE
io::lines
IO::Lines(3) User Contributed Perl Documentation IO::Lines(3)
NAME
IO::Lines - IO:: interface for reading/writing an array of lines
SYNOPSIS
use IO::Lines;
### See IO::ScalarArray for details
DESCRIPTION
This class implements objects which behave just like FileHandle (or IO::Handle) objects, except that you may use them to write to (or read
from) an array of lines. They can be tiehandle'd as well.
This is a subclass of IO::ScalarArray in which the underlying array has its data stored in a line-oriented-format: that is, every element
ends in a "
", with the possible exception of the final element. This makes "getline()" much more efficient; if you plan to do line-
oriented reading/printing, you want this class.
The "print()" method will enforce this rule, so you can print arbitrary data to the line-array: it will break the data at newlines
appropriately.
See IO::ScalarArray for full usage and warnings.
VERSION
$Id: Lines.pm,v 1.3 2005/02/10 21:21:53 dfs Exp $
AUTHORS
Primary Maintainer
David F. Skoll (dfs@roaringpenguin.com).
Principal author
Eryq (eryq@zeegee.com). President, ZeeGee Software Inc (http://www.zeegee.com).
Other contributors
Thanks to the following individuals for their invaluable contributions (if I've forgotten or misspelled your name, please email me!):
Morris M. Siegel, for his $/ patch and the new "getlines()".
Doug Wilson, for the IO::Handle inheritance and automatic tie-ing.
perl v5.18.2 2005-02-10 IO::Lines(3)