linux-kernel - Re: [PATCH] checkpatch.pl: show how to read from stdin

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Message-Id: <1200340306.31521.17.camel@imap.mvista.com>
Date:	Mon, 14 Jan 2008 11:51:46 -0800
From:	Daniel Walker <dwalker@...sta.com>
To:	Stefan Richter <stefanr@...6.in-berlin.de>
Cc:	Andy Whitcroft <apw@...dowen.org>,
	Bernd Petrovitsch <bernd@...mix.at>,
	linux-kernel@...r.kernel.org, Randy Dunlap <rdunlap@...otime.net>,
	Joel Schopp <jschopp@...tin.ibm.com>,
	Jiri Slaby <jirislaby@...il.com>
Subject: Re: [PATCH] checkpatch.pl: show how to read from stdin


On Mon, 2008-01-14 at 20:31 +0100, Stefan Richter wrote:
> AFAIU Daniel's patch still leaves the possibility to use the '-'
> syntax,
> doesn't it?
> 
> (The program 'cat' is of the kind which always reads from stdin if no
> file name is given, or if '-' is given instead of a file name.  So,
> 'cat' allows Andy to start it and then type something in for cat to
> process in either case, while checkpatch supports this only with '-'
> as
> argument.  OTOH it's easier to get checkpatch to print a usage note
> than
> it is with cat.  There you have to type no less than 'cat --help', or
> at
> least with GNU cat.)

I tried the following with my changes,

./scripts/checkpatch.pl -
cat | ./scripts/checkpatch.pl

Both allowed pasting patches and pressing Ctrl-D , then it processed the
patch..

and

cat <patchname> | ./scripts/checkpatch.pl

Also processed the patch ..

Daniel

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