Ok thanks,

Got it working.... As silly of me as this was, I accidentally had the code
inside a if statement that was returning false :-)

My bad...

--
me


----- Original Message -----
From: "Chris Knipe" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, July 17, 2002 10:38 PM
Subject: Re: executing binaries


> I got it working on the shell now:
>
> savage@netsonic:~/src# perl -MIPC::Open2 -e'open2(*rd, *wr,
"/bin/ls -al");
> while (<rd>) { print; }  exit;'
> total 32
> drwxr-x---  8 root  wheel    512 Jul 17 03:29 .
> drwxr-xr-x  8 root  wheel    512 Jul 16 05:38 ..
> -rwxr-x---  1 root  wheel  21955 Jul 17 22:36 ApacheReconfig
> drwxr-xr-x  5 640   15      1024 Jul 12 00:27 amavisd-snapshot-20020300
> drwxr-x---  2 root  wheel    512 Jul  8 01:49 ftpmail
> drwxr-x---  4 root  wheel    512 Jul  9 07:33 mrtg-2.9.21
> drwxr-x---  9 root  wheel   1024 Jul 13 21:44 nagios-1.0b4
> drwxr-x---  6 root  wheel   1024 Jul 11 08:07 netsaint-plugins-1.2.9-4
> drwxr-x---  7 root  wheel   2560 Jul 11 05:41 tpop3d-1.4.2
>
> However, when I call it from my perl script:
>
> use strict;
> use IPC::Open2;
>
> open2(*rd, *wr, "/bin/ls -al");
> while (<rd>) {
>   print $_;
> }
>
> Sure, there's allot of other stuff in the perl script, mainly allot of
> database queries, and to open() / close() file handles, but needless to
say,
> when I use open2() like this from the command line, it works.  Inside my
> script it fails....
>
>
>
> ----- Original Message -----
> From: "Tanton Gibbs" <[EMAIL PROTECTED]>
> To: "Chris Knipe" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
> Sent: Wednesday, July 17, 2002 10:27 PM
> Subject: Re: executing binaries
>
>
> > Chris Knipe wrote:
> > > savage@netsonic:~/src# perl -MIPC::Open2 -e'open2($rd, $wr, "ls -al");
> > while
> > > (<$rd>) { print; } exit;'
> > > open2: wtr should not be null at -e line 1
> >
> > It may have to do with the fact that you can't write to ls...the
following
> > worked for me
> >
> > use IPC::Open2;
> > use strict;
> >
> > my ($rd, $wr);
> > open2($rd, $wr, "bc");
> > print $wr "5 + 7\n";
> > my $x = <$rd>;
> > print $x;
> > close( $rd );
> > close( $wr );
> >
> > Tanton
> >
> >
> > --
> > To unsubscribe, e-mail: [EMAIL PROTECTED]
> > For additional commands, e-mail: [EMAIL PROTECTED]
> >
> >
> >
>
>
> --
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
>
>
>


-- 
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]

Reply via email to