stderr

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Temporarily Redirect stdout/stderr

Is it possible to temporarily redirect stdout/stderr in Python (i.e. for the duration of a method)? Edit:[详细]

2023-03-22 03:44 分类：问答
Silencing output from tcpdump when using popen

I am writing a program in C to anal开发者_高级运维yze packets that are captured by tcpdump. In my program I use popen to open a pipe to a tcpdump process which captures the packets and dumps the raw d[详细]

2023-03-22 00:46 分类：问答
bash - redirect specific output from 2nd script back to stdin of 1st program?

I have a little program, let\'s call it \"program\" by simplicity which has \"normal\" behaviour. It takes information from the stdin (normally typed in by the user in the keyboard) and prints out via[详细]

2023-03-21 18:35 分类：问答
Consequences of unbuffered file I/O

What are 开发者_运维技巧the consequences of writing large amounts of data to disk using unbuffered file I/O (at least for everything above the operating system level)?[详细]

2023-03-20 10:49 分类：问答
Problem redirecting stdout in Ruby script

I have the following test Ruby script: require \'tempf开发者_开发问答ile\' tempfile = Tempfile.new \'test\'[详细]

2023-03-20 05:36 分类：问答
Difference between $stdout and STDOUT in Ruby

In Ruby, what is the diff开发者_C百科erence between $stdout (preceded by a dollar sign) and STDOUT (in all caps)? When doing output redirection, which should be used and why? The same goes for $stderr[详细]

2023-03-19 15:19 分类：问答
I suspect Popen to timeout without saying

I\'m having some difficulties with my scripts. The purpose is to launch one or several OpenVZ container to execute some test. Those test can be very long (about 3 hours usually).[详细]

2023-03-16 02:01 分类：问答
PHP CLI doesn't use stderr to output errors

I\'m running the PHP CLI through a NSTask in MacOS, but this question is more about the CLI itself. I\'m listening to th开发者_运维百科e stderr pipe, but nothing is output there no matter what file I[详细]

2023-03-14 15:47 分类：问答
Possible forms to send something to standard error

I\'m working with the output of a program to which I have the C++ source code. The program sends output to stderr, and I need to know where/how the output is calculated in the source code.[详细]

2023-03-14 00:23 分类：问答
Pyramid logging

I have a pyramid application and I want the logs to got to stderr and stdout. stdout should be \"INFO\" level and below. stderr should be \"WARN\" and higher. How would I change my .ini file to do thi[详细]

2023-03-10 05:15 分类：问答