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My program takes all input until I say the terminal to stop taking it.
What's the hotkey to stop taking input and send it to the program?
In other terminals I just press ctrl^D, but here it doesnt work
ctrl z + Enter
verified the solution myself
it's called an EOF (end of file)
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I am using pipe to cal the area of the rectangle through parent and child processes but I am encountering a problem
So in parent process I am using the read(System call) to take two input from the user and then writing it to the pipe.
In child I am receiving them through pipe calculating the area and printing the output on screen
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I want to render JavaScript function in every 100-millisecond using node node-corn
I try many way but unable to convert cron pattern into milli seconds.
any one help me, I am using nodejs.
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As an exercise we need to explain what happens when we leave an open paranthesesis in a print statement.
Doing so does not give us an error nor a value, the resulting line gives us a prompt consisting of dots instead of arrows. Does this situation/prompt have a name and can someone explain?
for example:
>>>print('Hello'
...
The official name is secondary prompt. It is used when inputting incomplete constructs, for example not closing any set of parentheses or when defining a function.
The three greater-than signs (>>>) prompts for the next command, which the interpreter can process at once. The three dots (...), in its turn, prompts the continuation lines, such as print(: interpreter can't process your command at once, because it, in this case, doesn't know the arguments you want to pass to the function.
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I'm in a course for C++ programming.
Our professor created a linux validation script against which our program output must match exactly.
It's running out of his own program and generates an output.txt file, then compares it against his output file, if it doesn't match it rejects the script.
The problem is, this program excepts probably 150-200 lines of input and if anything goes in wrong you have to start all over again. If you even enter an incorrect char, it must be restarted as the backspace registers as a character of its own.
How might I generate a bash script that would feed all of the input into the program automatically?
NOTE: We have to use his program as in: ~professor.name/submit asigname
You can create a text file:
answers.txt
answer1
answer2
...
answerN
and use that as stdin for the program:
./your_program < answers.txt
How might I generate a bash script that would feed all of the input into the program automatically?
Without any example code or input/output, it is hard to gauge what precisely is that you need.
Otherwise, for a generic tool to automate interactive console programs, I would suggest to take a look at the Expect.
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I m learning very basic Linux command where i was typing very basic command ,and i don't know exactly what i typed or happened i got only ">" in my terminal.
Don't know what i should type?
Thanks
This is shown when the terminal is expecting you to finish typing in your command. For example:
git commit -m 'asdasdasdasd <enter>
will lead to a > shown in the next line, because the terminal is waiting for you to finish the input (because you haven't typed in the closing ' sign).
What command have you typed? Try Ctrl+C .