[lug] file handle and pipe

Hugh Brown hugh at vecna.com
Wed Jul 3 13:23:41 MDT 2002 

On Sat, 2002-06-29 at 00:18, j davis wrote:
> 
> so my friend was just a little off in syntax
> 
> this.....
>             open MAIL, "|/usr/sbin/sendmail jd\@taproot.bz";
>             print MAIL "$in{content}";
>             close MAIL;
> 
> should be.....
>             open(MAIL, "|/usr/sbin/sendmail jd\@taproot.bz");
>             print MAIL "$in{content}";
>             close MAIL;
> 
> just had to stare at it a while...like i said im new to perl. Piping
> into a program is cool, can all programs with a command line interface
> be piped into in this manner?
> 

If the program accepts input on STDIN then you can use perl to open it
that way.  I'd suggest getting the O'Reilly books Learning Perl and the
camel book as resources.  Use Learning Perl to work through a few
examples and use the camel book as a reference.

FWIW,

Hugh


> 
> thanks,
> jd
> 
> 
> 
> 
> >From: "j davis" <davis_compz at hotmail.com>
> >Reply-To: lug at lug.boulder.co.us
> >To: lug at lug.boulder.co.us
> >Subject: Re: [lug] file handle and pipe
> >Date: Sat, 29 Jun 2002 03:52:29 +0000
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> >
> >I'm sorry I should be more clear. My var is from a perl script and I
> >would like to stay that way. When i try this...
> >
> >`/bin/echo $in{content} | sendmail jd\@taproot.bz`;
> >       or
> >`/bin/echo $in{content} | mail -s "Subject..." jd\@taproot.bz`;
> >
> >the mail gets there just not the contents.
> >
> >?,
> >jd
> >
> >
> >
> >
> >>From: Mark Horning <rip6 at rip6.net>
> >>Reply-To: lug at lug.boulder.co.us
> >>To: lug at lug.boulder.co.us
> >>Subject: Re: [lug] file handle and pipe
> >>Date: Fri, 28 Jun 2002 19:24:11 -0600
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> >>
> >>
> >>Ed Hill wrote:
> >>
> >>>On Fri, 2002-06-28 at 17:37, j davis wrote:
> >>>
> >>>>Hello,
> >>>>Im a newbie. I have a var. that holds the contents of a email. I am 
> >>>>trying
> >>>>to send the email using sendmail like this....
> >>>>
> >>>>`/bin/echo $in{content} | sendmail jd\@taproot.bz`;
> >>>>
> >>>
> >>>How about:
> >>>
> >>>  /bin/echo $in{content} | mail -s "Subject..." jd\@taproot.bz
> >>>
> >>>hth,
> >>>Ed
> >>>
> >>
> >>Or try something like this as a function in a shell script:
> >>mail () {
> >>        (
> >>                echo "To: jd at taproot.bz"
> >>                echo -e "Subject: some subject\n"
> >>                echo $in{content}
> >>        ) | /usr/lib/sendmail -t
> >>}
> >>
> >>or from the command line:
> >>(/bin/echo "To: jd at taproot.bz";/bin/echo -e "Subject: some
> >>subject\n";/bin/echo "$in{content}") | /usr/lib/sendmail -t
> >>
> >>
> >>--
> >>
> >>Mark Horning
> >>rip6 at rip6.net
> >>
> >>
> >>
> >>_______________________________________________
> >>Web Page:  http://lug.boulder.co.us
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> >
> >
> >thanks,
> >jd
> >
> >jd at taproot.bz
> >http://www.taproot.bz
> >
> >_________________________________________________________________
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> >
> >_______________________________________________
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> 
> 
> thanks,
> jd
> 
> jd at taproot.bz
> http://www.taproot.bz
> 
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