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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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Web::Simple::Deployment(3pm)				User Contributed Perl Documentation			      Web::Simple::Deployment(3pm)

NAME
Web::Simple::Deployment - various deployment options DESCRIPTION
This file documents common deployment methods for Web::Simple. If you feel one is missing, please ask in the IRC channel and we'll work with you to add it. CGI
The most basic deployment option is as a CGI script loading and running your Web::Simple-module: #!/usr/bin/env perl use Your::Web::Simple::App; Your::Web::Simple::App->run_if_script; Save that as script.cgi and your web server will handle it correctly. Plack-Server This works in with exactly the same code as CGI deployment. However instead of letting your web server load script.cgi, you run this on the command line: plackup script.cgi Self-contained CGI Sometimes your app is so small that you have only one or two tiny classes that you want to run as a CGI script. Web::Simple offers a helpful mechanism to achieve that. #!/usr/bin/env perl use Web::Simple 'HelloWorld'; # enables strictures and warnings for the file # additionally, HelloWorld is upgraded to a # Web::Simple application { package HelloWorld; sub dispatch_request { sub (GET) { [ 200, [ 'Content-type', 'text/plain' ], [ 'Hello world! It is a fine ' . HelloWorld::Helper->day ] ] }, sub () { [ 405, [ 'Content-type', 'text/plain' ], [ 'Method not allowed' ] ] } } } { package HelloWorld::Helper; use DateTime; sub day { return DateTime->now->day_name; } } HelloWorld->run_if_script; AUTHORS
See Web::Simple for authors. COPYRIGHT AND LICENSE
See Web::Simple for the copyright and license. perl v5.14.2 2012-05-07 Web::Simple::Deployment(3pm)
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