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Full Discussion: Help with Unix commands
Operating Systems Linux Fedora Help with Unix commands Post 302470703 by rdcwayx on Wednesday 10th of November 2010 10:08:10 PM
Old 11-10-2010
ratio of mobile to land line

Code:
awk -F : '{a[substr($NF,1,2)]++}END {print " ratio of mobile to land line is ", a["07"]/a["01"]}' infile

 ratio of mobile to land line is  2

the most popular first name and list the telephone numbers

Code:
 awk -F : 'NR==FNR{a[$1]++; m=(a[$1]>m)?a[$1]:m;next}{if (a[$1]==m) print $1,$NF |"sort"}' infile infile

Jenny 07337349573
Jenny 07337349573
Jim 07404751140
Jim 07404751140
Richard 01264290192
Richard 01264290192

This User Gave Thanks to rdcwayx For This Post:
tina_2010
 

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LEARN ABOUT DEBIAN

file::homedir::unix

File::HomeDir::Unix(3pm)				User Contributed Perl Documentation				  File::HomeDir::Unix(3pm)

NAME

       File::HomeDir::Unix - Find your home and other directories on legacy Unix

SYNOPSIS

	 use File::HomeDir;

	 # Find directories for the current user
	 $home	  = File::HomeDir->my_home;	   # /home/mylogin
	 $desktop = File::HomeDir->my_desktop;	   # All of these will...
	 $docs	  = File::HomeDir->my_documents;   # ...default to home...
	 $music   = File::HomeDir->my_music;	   # ...directory
	 $pics	  = File::HomeDir->my_pictures;    #
	 $videos  = File::HomeDir->my_videos;	   #
	 $data	  = File::HomeDir->my_data;	   #

DESCRIPTION

       This module provides implementations for determining common user directories.  In normal usage this module will always be used via
       File::HomeDir.

SUPPORT

       See the support section the main File::HomeDir module.

AUTHORS

       Adam Kennedy <adamk@cpan.org>

       Sean M. Burke <sburke@cpan.org>

SEE ALSO

       File::HomeDir, File::HomeDir::Win32 (legacy)

COPYRIGHT

       Copyright 2005 - 2011 Adam Kennedy.

       Some parts copyright 2000 Sean M. Burke.

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

       The full text of the license can be found in the LICENSE file included with this module.

perl v5.14.2							    2012-01-25						  File::HomeDir::Unix(3pm)
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