stderr

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launch an exe/process with stdin stdout and stderr?

With C++ how do i launch an exe/process with stdin stdout and s开发者_运维问答tderr? I know how to do this in .NET and i remember using popen in the past but popen seems to allow stdin OR stdout not b[详细]

2023-02-20 14:29 分类：问答
dup2 to redirect stdout and stderr to another file descriptor

i havea call like this. int fd[2]; pipe(fd) 开发者_StackOverflow and then dup2(fd[WRITE],STDOUT_FILENO)[详细]

2023-02-20 05:42 分类：问答
Python subprocess never exits and keeps giving empty strings in output

So, I have been facing a problem with using subprocess for a python app i am writing. To illustrate the problem, I wrote this small script that replicates my p开发者_开发问答roblem pretty well.[详细]

2023-02-20 00:06 分类：问答
How can I get rid of the STDERR in Perl

I\'m using some system commands in Perl. In the below case I was getting output as follows: ls: import-log.*: No such file or directory[详细]

2023-02-13 06:10 分类：问答
Python: get output from a command line which exits with nonzero exit code

I am Using Python 2.7.1 on a Windows Server 2008 R2 x64 box. I\'m trying to get the output of a command line process which gives a nonzero exit status after outputting the information I need.[详细]

2023-02-10 17:44 分类：问答
How do I write to standard error in PowerShell?

I\'m having trouble figuring out how to both echo to the standard error stream and redirect the error s开发者_JS百科tream of an executable.[详细]

2023-02-10 17:12 分类：问答
Is there a way to temporary disable fd 2 in UNIX?

I\'ve written an application which uses fork and execv to launch another process. I made a pipe for notification about status, and from main entry of the launched process, I write some bytes to notify[详细]

2023-02-09 04:04 分类：问答
Processing messages from a child process thorough stderr and stdout with Python

My python code spawns the child process, and it prints out messages both stdout and stderr. I need to print them differently.[详细]

2023-02-07 01:08 分类：问答
Print STDOUT/STDERR and write them to a file in Bash?

Is there a way to have Bash redirect STDOUT/STDERR to a file yet still print开发者_StackOverflow them out to the terminal as well?This will redirect both STDOUT and STDERR to the same file:[详细]

2023-02-05 07:49 分类：问答
Why is STDERR redirected to STDOUT

I noticed tha开发者_Go百科t we have mainly 3 file streams. They are STDIN, STDOUT and STDERR.. My question is why is STDERR redirected to STDOUT?stderr is not redirected to stdout. Both streams are on[详细]

2023-02-02 02:31 分类：问答