A few commands I tried are What can be going on? Is it because I use Notepad? Answer In short, yes. Notepad only understands DOS line-endings and not Unix line-endings. Use Wordpad or any other more capable editor to see the newlines correctly. Alternatively, if you do want to create DOS/Windows line-ending f…
Tag: linux
Grep a line then print awk until a certain substring
My code is But, I want to have $9-$20 be stopped when it hits a value like (0) or (1). This will make my output format and look a lot nicer because anything after (0) or (1) is garbage. Does anyone have an idea on a way to implement that? Input: Output: EDIT: THANK YOU TO ALL THE PEOPLE THAT
Android Studio not starting on Linux (CentOS 6.6)
I’m trying to run Android Studio on my CentOS 6.6. I’ve downloaded the Studio and as per Instructions when I move to directory /android-studio/bin/ and run the following command ./studio.sh I got the following Exception I have no idea what to do now. here are my Environment variables and Java vers…
Is it necessary to write a “portable” if (c == ‘n’) to process cross-platform files?
This thinking comes from a discussion about a practical problem Replacing multiple new lines in a file with just one. Something wrong happened while using a cygwin terminal running on a windows 8.1 machine. Since the end-of-line terminator would be different, like n, r, or rn, is it necessary to write a ̶…
saltstack: creating directory only if does not exists
Currently I have the following rule for creating a directory Now I want to create a directory on new minions only if the directory does not exists already. Answer While your example does work, it’s not necessary. file.directory will only attempt to create the directory if it doesn’t exist.
Redirect stdout to a external program in C/C++
I have a program called capture that reads the webcam data and output to the avconv program. Now I have to output to avconv inside my C program. So, instead of output to the stoud: I need to do do something like that: How can I do that? Answer You can use popen() for this purpose. then use fwrite() to
Executing multiple commands under as another username within a file in BASH shell
I am attempting to execute a sqlplus command within a file. The file should be able to sudo switch into the oracle user and run the commands needed. The oracle user will need to first source a file with the parameters for the database, then be able to call a sql file from sqlplus. The script I have is Whether
Linux – make sure a core is exclusively saved for critical tasks
I have a process that is launched on a Linux-based machine with exactly two cores. Let’s assume my process is the only process in the system (I will ignore other processes and even the system’s ones). My process is divided to two parts: Critical performance code Low priority code Also let’s …
Make a program in path preferable instead of another
There is a program in the PATH variable installed by root, but I installed a more recent version in my local. There is any way to make my program preferable instead of the root? Sorry for my bad english. Answer put the preferred directory in front of the other one. It will pick up the first one it finds.
How to remove Ubuntu entries from UEFI [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack …