pipe

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Run process with string input and output

There are plenty of questions on here related to fork() and exec().I have not found one that really makes the process of using them simple though, and making programmer\'s lives simple is the goal.[详细]

2023-03-31 01:25 分类：问答
Use of pipes in backticks

I\'m trying to run a command with a pipe but receive errors: echo abc | `echo \"grep a | grep b\"` grep: |: No such file or directory[详细]

2023-03-30 13:56 分类：问答
Why is IO::WaitReadable being raised differently for STDOUT than STDERR?

Given that I wish to test non-blocking reads from a long command, I created the following script, saved it as long, made it executable with chmod 755, and placed it in my path (saved as ~/bin/long whe[详细]

2023-03-29 22:50 分类：问答
File Streams & Piping Data

I can write an app that would copy all input from cin into a container (let\'s say a set), and then print the container contents back to stdout.In the case of a set, they\'d be sorted.[详细]

2023-03-29 17:46 分类：问答
clr stored procedure with SqlContext.Pipe.Send should return decimal, returns int

I have a clr stored procedure that has to return decimal value.I cannot use output parameters at this moment - i need to reuse the existing library that doesn\'t process output parameters.[详细]

2023-03-29 14:17 分类：问答
multi pipes in C hang

I am trying to implement program that will run multiple chains of shell commands: --> cmd3 --> cmd4 -->[详细]

2023-03-29 11:05 分类：问答
Python os.dup and side-effects [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form. For help clari[详细]

2023-03-29 07:59 分类：问答
How would the Python pipes module do a 'cat'

I am trying to do this in python: cat foo | ssh me@xxxx h开发者_C百科adoop fs -put - bar/foo I have originally tried a check_call:[详细]

2023-03-29 07:24 分类：问答
How do you read from stdin in python from a pipe which has no ending

I\'ve problem to read from Standard input or pipe in python when the pipe is from a \"open\" (do not know right name)[详细]

2023-03-29 04:27 分类：问答
Nonblocking redirection of output from multiprocess process

I asked a question yesterday about a problem with a program I\'m writing in Python ( Passing wxPython objects as multiprocessor arguments ). I managed to solve that problem by using a multiprocess pro[详细]

2023-03-29 03:58 分类：问答