Actual demo code:
sh-4.1# cat demo.pl
#!/usr/bin/perl -w
use strict;
my $cmd=qq@
(
date
netstat -i
who
cat /etc/debian_version
)
@;
open PIPE,"$cmd |" or die "$cmd:$!";
my @lines=<PIPE>;
printf "%s\n",join("\n",@lines);
produces
sh-4.1# perl demo.pl
Tue Jun 10 13:46:05 EDT 2014
Kernel Interface table
Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX
+-OVR Flg
eth0 1500 0 19404144 0 0 0 23405161 0
+0 0 BMRU
lo 65536 0 2016133 0 0 0 2016133 0
+0 0 LRU
root pts/0 2014-06-10 13:11 (144.160.226.53)
6.0.9
NOTE: there should be a chomp in there somewhere, but I forgot...
Peter L. Berghold -- Unix Professional
Peter -at- Berghold -dot- Net; AOL IM redcowdawg Yahoo IM: blue_cowdawg