10-17-2007
files cross over
I have many files (File 1, File 2, File 3, ...) in same directory.
The format of all these files are same.
What I would like to do is to combine all these files into a single file via cross over.
Example)
>>File 1 look like this.
f1 01 1.0
f1 02 2.0
f1 03 3.0
f1 04 4.0
f1 05 5.0
f1 06 6.0
.
.
>>File 2 look like this
f2 01 21.0
f2 02 22.0
f2 03 23.0
f2 04 24.0
f2 05 25.0
f2 06 26.0
.
.
>>File 3 look like this
f3 01 31.0
f3 02 32.0
f3 03 33.0
f3 04 34.0
f3 05 35.0
f3 06 36.0
.
.
The result should look like this.
f1 1.0 2.0 3.0
f2 21.0 22.0 23.0
f3 31.0 32.0 33.0
f1 4.0 5.0 6.0
f2 24.0 25.0 26.0
f3 34.0 35.0 36.0
.
.
Thanks in advance.
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LEARN ABOUT DEBIAN
file::slurp::withinpolicy
File::Slurp::WithinPolicy(3pm) User Contributed Perl Documentation File::Slurp::WithinPolicy(3pm)
NAME
File::Slurp::WithinPolicy - Applies filesystem policies to File::Slurp
SYNOPSIS
use File::Slurp::WithinPolicy qw(:all);
my $text = read_file( 'filename' );
my @lines = read_file( 'filename' );
write_file( 'filename', $text );
append_file( 'filename', $more_text );
overwrite_file( 'filename', $text );
my @files = read_dir( '/path/to/dir' );
DESCRIPTION
This provides the File::Slurp interface within a policy defined by File::Policy. By default, File::Policy is a no-op and this behaves
identically to File::Slurp. System administrators may want to override the default File::Policy implementation to enforce a local filesys-
tem policy (see File::Policy).
FUNCTIONS
read_dir
See "read_dir" in File::Slurp
read_file
See "read_file" in File::Slurp
write_file
See "write_file" in File::Slurp
append_file
See "append_file" in File::Slurp
overwrite_file
See "overwrite_file" in File::Slurp
EXPORTS
By default, nothing is exported. The ":all" tag can be used to export everything. Individual methods can also be exported.
SEE ALSO
File::Slurp, File::Policy
VERSION
$Revision: 1.4 $ on $Date: 2005/06/15 10:40:21 $ by $Author: simonf $
AUTHOR
John Alden <cpan _at_ bbc _dot_ co _dot_ uk>
COPYRIGHT
(c) BBC 2005. This program is free software; you can redistribute it and/or modify it under the GNU GPL.
See the file COPYING in this distribution, or http://www.gnu.org/licenses/gpl.txt
perl v5.8.8 2005-06-15 File::Slurp::WithinPolicy(3pm)