Re: [PLUG] php pipe to less broken?

["Eric at Lucii.org" <eric@lucii.org>]

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If you're not getting odd characters and you still get the malfunction
with less then I'm out of ideas!

Perhaps it has to do with reading stdout?

What happens if you redirect your output to a file and then use less?

Eric


On 07/19/2012 04:43 PM, Amir Tahvildaran wrote:
> Thanks Eric, good idea.
> 
> I tried this on my simplified script (which just prints out 10 numbers).
> 
> Doesn't seem to have any magic chars.
> 
> 0$ 1$ 2$ 3$ 4$ 5$ 6$ 7$ 8$ 9$ (END) jkjk
> 
> 
> 
> $ cat test.php <?php
> 
> for ($i = 0; $i<10; $i++){ echo $i . "\n"; }
> 
> ?>
> 
> -Amir
> 
> 
> 
> 
> On Thu, Jul 19, 2012 at 2:26 PM, Eric at Lucii.org <eric@lucii.org <mailto:eric@lucii.org>> wrote:
> 
> Amir:
> 
> Maybe some control characters could be in the output stream?
> 
> Instead of less try  piping your output through  | cat -vet
> 
> This will show the EOL as $ and a carriage return as ^M Other control characters in a similar way: (BEL = ^G, etc.)
> 
> Hope that helps.
> 
> Eric
> 
> 
> On 07/19/2012 01:46 PM, Amir Tahvildaran wrote:
>> Not sure what's going on here.  On a CentOS 6.2 vm when I pipe php output to less I wind up in some weird mode where "j" and "k" don't move up and down, instead they just queue up at this colon prompt.
> 
>> :jkjk
> 
>> If I hit enter after it sort of goes up/down by a line.  If I hit gg or G and then enter I get to the top or bottom of the file.  Similarly 'q<enter>' get's me out of it.
> 
>> Is anyone familiar with this mode of less?  Same thing happens for more.  Same thing happens if I throw tee in the middle (and I can less the tee'd file normally afterwards too).
> 
>> It seems to only be for PHP output, if I cat a file to less it works as expected.  If I write a bash script it also works as expected.  I tried getting php to exit(0) or exit(1).  The php script runs and exits as normal (AFAIK) without the pipe.
> 
>> Any thoughts?
> 
>> -Amir
> 
>> $ php -version PHP 5.3.3 (cli) (built: Jul  3 2012 16:40:30)
> 
> 
>> ___________________________________________________________________________ Philadelphia Linux Users Group         --        http://www.phillylinux.org Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce General Discussion  --   http://lists.phillylinux.org/mailman/listinfo/plug
> 
> 
> ___________________________________________________________________________ Philadelphia Linux Users Group         --        http://www.phillylinux.org Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce General Discussion  --   http://lists.phillylinux.org/mailman/listinfo/plug
> 
> 
> 
> 
> ___________________________________________________________________________ Philadelphia Linux Users Group         --        http://www.phillylinux.org Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce General Discussion  --   http://lists.phillylinux.org/mailman/listinfo/plug
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- -- 
#  Eric Lucas
#
#                "Oh, I have slipped the surly bond of earth
#                 And danced the skies on laughter-silvered wings...
#                                        -- John Gillespie Magee Jr

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