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Full Discussion: du alternative in perl
Top Forums Shell Programming and Scripting du alternative in perl Post 302233832 by insania on Monday 8th of September 2008 03:20:10 PM
Old 09-08-2008
du alternative in perl

I have a perl script that just does a `du -sk -x` and formats it to look groovy ( the argument can be a directory but usually is like /usr/local/* )

Code:
#!/usr/bin/perl

use strict;
use warnings;

my $sizes = `du -x -sk @ARGV | sort -n`;
my $total = 0;

print "MegaBytes Name\n";
for(split /[\r\n]+/,$sizes)                     #split on one or more newline characters
{
        my($number,$file) = split /\t/,$_,2;    #split on tab ($file not used here)
        my $number1 = sprintf ("%9.2f",$number / 1024);
        printf "$number1 $file\n";
        $total += $number;
}

printf ("TOTAL: %9.2f\n",$total / 1024);

The script works fine and does all that i want it to and i use it all the time, however is there an internal perl function that could replace the du -sk -x? I am just curious and would like to have a pure perl script with no shell options (primarily because the du options are not standard across the UNIX/Linux world). This is on a RHEL box just FYI. An external module might work too, if i can get them to let me install it.

Sean
 

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Catalyst::Manual::Deployment::SharedHosting(3pm)	User Contributed Perl Documentation	  Catalyst::Manual::Deployment::SharedHosting(3pm)

NAME
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This library is free software. You can redistribute it and/or modify it under the same terms as Perl itself. perl v5.14.2 2012-01-20 Catalyst::Manual::Deployment::SharedHosting(3pm)
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