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
i havea call like this. int fd[2]; pipe(fd) 开发者_StackOverflow and then dup2(fd[WRITE],STDOUT_FILENO)
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.
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
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.
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.
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
My python code spawns the child process, and it prints out messages both stdout and stderr. I need to print them differently.
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:
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
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