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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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LEARN ABOUT DEBIAN

asp-perl

ASP-PERL(1p)						User Contributed Perl Documentation					      ASP-PERL(1p)

NAME

       asp-perl - Apache::ASP CGI and command line script processor

SYNOPSIS

       asp-perl [-hsdb] [-f asp.conf] [-o directory] file1 @arguments file2 @arguments ...

	   -h  Help you are getting now!
	   -f  Specify an alternate configuration file other than ./asp.conf
	   -s  Setup $Session and $Application state for script.
	   -d  Set to debug code upon errors.
	   -b  Only return body of document, no headers.
	   -o  Output directory, writes to files there instead of STDOUT
	   -p  GlobalPackage config, what perl package are the scripts compiled in.

DESCRIPTION

       This program will run Apache::ASP scripts from the command line.  Each file that is specified will be run, and the $Request->QueryString()
       and $Request->Form() data will be initialized by the @arguments following the script file name.

       The @arguments will be written as space separated words, and will be initialized as an associate array where %arguments = @arguments.  As
       an example:

	asp-perl file.asp key1 value1 key2 value2

       would be similar to calling the file.asp in a web environment like

	/file.asp?key1=value1&key2=value2

       The asp.conf script will be read from the current directory for parameters that would be set with PerlSetVar normally under mod_perl.  For
       more information on how to configure the asp.conf file, please see < http://www.apache-asp.org/cgi.html >

SEE ALSO

       perldoc Apache::ASP, and also http://www.apache-asp.org

COPYRIGHT

       Copyright 1998-2004 Joshua Chamas, Chamas Enterprises Inc.

       This program is distributed under the GPL.  Please see the LICENSE file in the Apache::ASP distribution for more information.

perl v5.14.2							    2011-08-15							      ASP-PERL(1p)
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