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Full Discussion: Selecting Specific Columns and Insert the delimiter TAB
Top Forums Shell Programming and Scripting Selecting Specific Columns and Insert the delimiter TAB Post 302547016 by birei on Saturday 13th of August 2011 06:06:59 AM
Old 08-13-2011
Hi,

Use 'split' to save all columns in an array and select them by index:
Code:
@fields = split /\|/, $_;

Code:
print join( "\t", @fields[1, 3, 6 .. 10, 12] ), "\n";

Regards,
Birei
This User Gave Thanks to birei For This Post:
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LEARN ABOUT DEBIAN

mldonkey_files

MLDONKEY_FILES(1)						  [FIXME: manual]						 MLDONKEY_FILES(1)

NAME

       mldonkey_files - a files source filter for mlnet init file.

SYNOPSIS

       mldonkey_files {[--join] | [--split network_name] | [--test network_name]} [-f0 file] [-f1 file] [-f2 file] [-q]

DESCRIPTION

       This manual page documents briefly the mldonkey_files command.

       This manual page was written for the Debian GNU/Linux distribution because the original program is Debian GNU/Linux specific.

       This script was written by the debian developer to permit smoother transition to mldonkey without fasttrack support. MLDonkey suffer from a
       fasttrack file GPL-problematic. The support of fasttrack has been removed from the upstream source.

       -f0 file
	   This option is needed. First part of the tri term split/join expression

       -f1 file
	   This option is needed. Second part of the tri term split/join expression

       -f2 file
	   This option is needed. Third part of the tri term split/join expression

       --join
	   This command will merge -f1 and -f2 into file -f0. Be warned that no confirmation will be asked.  -f0 will be erased.

       --split network_name
	   This command will separate file source entry concerning the network network_name from the -f0 file and the rest. The entry concerning
	   network_name will be put in -f1 file, the rest in -f2 file. Be warned that no confirmation will be asked.  -f1 and -f2 files will be
	   erased.

       --test network_name
	   This command will search file source entry concerning the network network_name in the -f0 file. If one file comes from the given
	   network, the exit code will be 0 else 1.

       -q
	   Quiet mode.

       Actions --split, --test and --join are exclusive. You can only perform one at the same time.

LICENSE

       This manual page was originally written by Sylvain Le Gall gildor@debian.org for the Debian GNU/Linux system (but may be used by others).
       Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Lesser General Public License, Version 2.1
       or any later version published by the Free Software Foundation; considering as source code all the file that enable the production of this
       manpage.

SEE ALSO

	mlnet (1)

       /usr/share/doc/mldonkey-server/README.Debian

AUTHORS

       Sylvain Le Gall <gildor@debian.org>
	   Author.

       Mehdi Dogguy <dogguy@pps.jussieu.fr>
	   Author.

COPYRIGHT

       Copyright (C) 2003, 2004, 2005, 2006 Sylvain Le Gall
       Copyright (C) 2009 Mehdi Dogguy

[FIXME: source] 						   Mar 14, 2009 						 MLDONKEY_FILES(1)
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