Re: Impossible redirect console buffer to log

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El vie., 1 mar. 2019 a las 19:15, Chris Billington
(<chrisjbillington@xxxxxxxxx>) escribió:
>
> Perplexing! How about the 'script' command?
>
> On Fri., 1 Mar. 2019, 13:13 Maykel Franco, <maykeldebian@xxxxxxxxx> wrote:
>>
>> El vie., 1 mar. 2019 a las 19:09, Chris Billington
>> (<chrisjbillington@xxxxxxxxx>) escribió:
>> >
>> > The program could also explicitly be modifying its behaviour based on whether stdout is a tty or not. You can trick it into thinking its stdout is a tty with the program 'unbuffer'. For example:
>> >
>> > [bilbo:~]$ python -c 'import sys; print(sys.stdout.isatty())' | cat
>> > False
>> > [bilbo:~]$ unbuffer python -c 'import sys; print(sys.stdout.isatty())' | cat
>> > True
>> >
>> > So you might try:
>> >
>> > unbuffer /usr/local/bin/CCcam -d > file
>> >
>> >
>> > On Fri, Mar 1, 2019 at 1:04 PM Maykel Franco <maykeldebian@xxxxxxxxx> wrote:
>> >>
>> >> El vie., 1 mar. 2019 a las 19:01, Chris Billington
>> >> (<chrisjbillington@xxxxxxxxx>) escribió:
>> >> >
>> >> > Perhaps the program writes its log to stderr, and not to stdout?
>> >> >
>> >> > If so, you can redirect both stdout and stderr to file with:
>> >> >
>> >> > command &> out
>> >> >
>> >> >
>> >> >
>> >> > On Fri, Mar 1, 2019 at 12:47 PM Maykel Franco via arch-general <arch-general@xxxxxxxxxxxxx> wrote:
>> >> >>
>> >> >> HI, I playing with cccam for a proyect with decoder and I like stdout
>> >> >> console log to specific log but not work...
>> >> >>
>> >> >> I try all:
>> >> >>
>> >> >> >> /var/log/test.log
>> >> >>
>> >> >> tee -a /var/log/test.log
>> >> >>
>> >> >> strace -p pid
>> >> >>
>> >> >> The command is:
>> >> >>
>> >> >> /usr/local/bin/CCcam -d
>> >> >> 18:43:15.717 CCcam:
>> >> >> ======================================================================
>> >> >> 18:43:15.717 CCcam: starting CCcam
>> >> >> ======================================================================
>> >> >> 18:43:15.717 CCcam: online using nodeId 91dd747775a31f66
>> >> >> 18:43:15.735 CCcam: create 1 cam device(s)
>> >> >> 18:43:15.739 CCcam: readKeyfile: cannot open /var/keys/SoftCam.Key or not found
>> >> >> 18:43:15.739 CCcam: readKeyfile: cannot open /var/keys/AutoRoll.Key or not found
>> >> >> 18:43:15.739 CCcam: static cw not found or bad
>> >> >> 18:43:15.746 CCcam: parsed 11522 entries from /var/etc/CCcam.prio
>> >> >> 18:43:15.747 CCcam: added 1005 provider names from /var/etc/CCcam.providers
>> >> >> 18:43:15.798 CCcam: added 11097 channel names from /var/etc/CCcam.channelinfo
>> >> >> 18:43:15.798 CCcam: server started on port 47015
>> >> >>
>> >> >>
>> >> >>
>> >> >> The binary program is:
>> >> >>
>> >> >> /usr/local/bin/CCcam: ELF 64-bit LSB executable, x86-64, version 1
>> >> >> (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2,
>> >> >> for GNU/Linux 2.6.32, BuildID[sha1]=6ab44025c0a35a3
>> >> >> 83d63f30e96e489f29df424b5, stripped
>> >> >>
>> >> >>
>> >> >> I've tried everything, I do not know what to do to have that output
>> >> >> write it to log.
>> >> >>
>> >> >> I've tried inclusy with tty, pts but it's impossible.
>> >> >>
>> >> >> Does somebody knows why it could be? with any other command / program works well
>> >> >>
>> >> >> with the only thing that I have managed to write to log is add:
>> >> >>
>> >> >> | stdbuf -oL
>> >> >>
>> >> >> but the program closes
>> >>
>> >> Thanks for your reply.
>> >>
>> >> Not works... I probe all combinations:
>> >>
>> >> > file redirects stdout to file
>> >> 1> file redirects stdout to file
>> >> 2> file redirects stderr to file
>> >> &> file redirects stdout and stderr to file
>> >>
>> >> Not work...
>>
>> Unbuffer work but the program exit...
>>
>> $ unbuffer /usr/local/bin/cccam -d > /var/log/test.log
>>
>> tail: /var/log/test.log: file truncated
>> 19:12:12.548 CCcam:
>> ======================================================================
>> 19:12:12.548 CCcam: starting CCcam 2.1.3 compiled on Nov 14 2009@00:47:12
>> 19:12:12.548 CCcam:
>> ======================================================================
>> 19:12:12.548 CCcam: online using nodeId 95ced5a4a066a2b2
>> 19:12:12.568 CCcam: create 1 cam device(s)
>>
>> and exit... crash/close program

The program is a binary:

/usr/local/bin/cccam: ELF 64-bit LSB executable, x86-64, version 1
(SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2,
for GNU/Linux 2.6.15, stripped




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