Mercurial > openvz
diff vz_ps.pl @ 5:464dea07deb8 default tip
Add vzps replacements.
author | Peter Gervai <grin@grin.hu> |
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date | Wed, 07 May 2014 16:23:45 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vz_ps.pl Wed May 07 16:23:45 2014 +0200 @@ -0,0 +1,50 @@ +#!/usr/bin/perl +# $Id: vz_ps.pl,v a19295214a68 2013/10/29 15:31:42 grin $ +# (c) Petre Gervai, 2011-2013 +# Released under CreativeCommons Attribution-ShareAlike v3.0 unported +# CC-BY-SA-3.0-unp +# +# Show OpenVZ info using stock ps output instead of hacking it in +# + +use warnings; +use strict; +use IO::File; + +my $ps = "/bin/ps"; + +my $f; + +if( $#ARGV == 0 ) { + # use 'spawn ps' mode + $f = new IO::File 'ps ' . join(' ', @ARGV) . " |" or die $!; + +} else { + # get data on stdin + $f = IO::Handle->new_from_fd( fileno(STDIN), 'r' ); +} + +# get header +my $hdr = <$f>; +if( $hdr !~ /PID/ ) { + print "Error: ps header doesn't contain PID, it's something I cannot accept. I'm going.\n"; + exit 1; +} + +my $pos; +$hdr =~ s/^\s*(.+?)\s*$/$1/; # remove head/trail spc +my @head = split /\s+/, $hdr; +while( my ($i,$val) = each @head ) { + if( $val=~ /^PID$/ ) { + $pos = $i; + last; + } +} + +use Data::Dumper; +print Dumper( \@head, $pos ); +die; + +while( <$f> ) { + +}