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Shell Programming and Scripting
How to redirect stderr to a file as well
Post 302555753 by vbe on Thursday 15th of September 2011 01:22:39 PM
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1. Shell Programming and Scripting
How can I redirect and append stdout and stderr to a file when using cron? Here is my crontab file:
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Cron gives me an 'unexpected character found in line' when trying to add my crontab file.
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Hi friends
I am facing one problem while redirecting the out of the stderr and stdout to a file
let example my problem with a simple example
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I'm using below command to redirect stderr to a file but I also want to add timestamp to stderr.out to find out the date / time the error occurred.
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Hi
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cmd1
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I have the following:
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Dear all,
redirecting STDOUT & STDERR to file is quite simple, I'm currently using:
exec 1>>/tmp/tmp.log; exec 2>>/tmp/tmp.logBut during script execution I would like the output come back again to screen, how to do that?
Thanks
Lucas (4 Replies)
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$ a=$(<missing)
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Dear all,
redirecting STDOUT & STDERR to file is quite simple, I'm currently using:
Code:
exec 1>>/tmp/tmp.log; exec 2>>/tmp/tmp.log
But during script execution I would like the output come back again to screen, how to do that?
Thanks
Luc
edit by bakunin: please use CODE-tags like the... (6 Replies)
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LEARN ABOUT DEBIAN
jack-stdout
JACK-STDOUT(1) General Commands Manual JACK-STDOUT(1) NAME
jack-stdout - write JACK audio data to stdout SYNOPSIS
jack-stdout [OPTIONS] port1 [ port2 ...] DESCRIPTION
jack-stdout captures audio from JACK and writes raw data to standard-output. The number of given ports detemine the number of audio channels that are used. If more than one channel is given, the audio-sample data will be interleaved. OPTIONS
-b, --bitdepth BITS Specify the bit-depth of each sample. For integer-encoding this can be 16 or 24. The default is 16. This setting is only used for integer encoding: Floating-point samples will always be 32 bit wide. -d, --duration SEC Specify the time for which jack-stdout should run in seconds. A value less than 1 means to run indefinitely. The default is 0. -e, --encoding FORMAT Set the output format of the data: signed-integer, unsigned-integer, floating-point (default: signed) -h, --help Print a brief usage information -L, --little-endian Write little-endian data or native-byte-order float (this is the default) -B, --big-endian Output big-endian data or swap the byte-order of floating-point -q, --quiet Inhibit usual output. This affects information and buffer-overflow warnings but not setup-errors. -S, --bufsize SAMPLES Choose the internal buffer-size in samples. The default size is 65536. The given value will be multiplied by the number of channels and bit-depth to get the size of the ring-buffer. EXAMPLES
jack-stdout xmms_0:out_1 xmms_0:out_2 | mono ~/Desktop/Downloads/JustePort.exe - 10.0.1.6 0 jack-stdout -b 24 -e unsigned -B system:capture_1 system:capture_2 | sox -t raw -r 48k -e unsigned -b 24 -B -c 2 - /tmp/recording.wav jack-stdout system:capture_1 system:capture_2 | oggenc -r -R 48000 -B 16 -C 2 - > /tmp/recording.ogg jack-stdout system:capture_1 | oggenc -r -R 48000 -B 16 -C 1 - | oggfwd -p -n "my live stream" localhost 5900 hackme live.ogg AUTHOR
Robin Gareus <robin@gareus.org>. SEE ALSO
http://jackaudio.org/, 29 March 2011 JACK-STDOUT(1)