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Date: Wed, 12 Oct 2011 11:57:20 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Andreas Gruenbacher <andreas.gruenbacher@gmail.com>
CC: Steven Rostedt <rostedt@goodmis.org>, LKML <linux-kernel@vger.kernel.org>,
        quilt-dev <quilt-dev@nongnu.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Greg Kroah-Hartman <gregkh@suse.de>
Subject: Re: [PATCH v3] quilt mail: Add way to sign mail with GPG
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On 10/12/2011 02:56 AM, Andreas Gruenbacher wrote:
> 
>> As for removing the temp file, I just found it was the easiest way to
>> pipe into gpg. If there's a better way to do that, I'm all ears.
> 
> ... how about this approach?
> 
>     my @lines = <>;
>     map { print } @lines;
>     print "\n";
> 
>     #-----------------------------------------------
> 
>     sub crlf($) {
>         my $_ = shift;
>         #s/\n$/\r\n/;
>         s/^/> /;
>         return $_;
>     }
> 
>     my $command = 'tr a-z A-Z';
>     open(PIPE, "| $command")

open(PIPE, '|-', $command);

... please; better yet with a list (@command) so it doesn't doesn't pass
through the shell.

	-hpa