I have this command: How I can to parse output from this command? When I get InputStream of this Process, I get an empty line every time. — I used to restart the command via Java, creating a new thread and all over again. Now, I decided to implement it with the help of watch. Snippet of code: Answer A
optimizing awk command for large file
I have these functions to process a 2GB text file. I’m splitting it into 6 parts for simultaneous processing but it is still taking 4+ hours. What else can I try make the script faster? A bit of details: I feed my input csv into a while loop to be read line by line. I grabbed the values from the
Why is $PATH in remote deployment path different from $PATH in remote system?
I’m currently working on Pycharm with remote python Interpreter(miniconda3/bin/python). So when I type echo $PATH in remote server, it prints /home/woosung/bin:/home/woosung/.local/bin:/home/woosung/miniconda3/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/…
Kill all processes from C in Linux
I am writing a Linux C program that will be executed as init. It will eventually need to shut down the system. I have code for unmounting all the filesystems and actually turning off the system; now I just need a way for it to send SIGTERM to all processes, sleep(5), then send SIGKILL to any remaining process…
How to sort all the files with a particular extension inside a directory in Cent OS 7 according to modification time?
What command should I use to sort all the files in a project directory according to the date of modification? Tried ls -t but it does not find the file and used find to find all the files of the specified type, but could not sort them. Answer You can use this to find all the files of the type
coreutils timeout in a bash script not transparent for the application
I have an issue with executing application via /usr/bin/timeout in a bash script. In this specific case this is a simple python fabric script (fabric version 1.14) In order to install this version of fabric library run: pip install “fabric<2” There is no reproduction with new fabric 2.x. Shell …
dynamic string search in shell script
I have a string in shell script which is I need to find DS_BLS_max(sequence number).dat here DS_BLS_max(sequence number).dat=DS_BLS_739.dat Answer Output: DS_BLS_739.dat See: The Stack Overflow Regular Expressions FAQ
Is there a way to convert stdin/stdout fds into one fd?
I want to process SSL from stdin, and send SSL out stdout, but OpenSSL accepts only one file descriptor in the set fd call: Is there a way to combine the stdin and stdout file descriptors into one? I realize I can make a process that just reads from stdin/out and writes to the file descriptor, but I was tryin…
Enable a linux service to show popup window
I developed an IP messenger using C language and I wish to share some of it’s implementation details to make completely understand my problem. Used GTK+-2.0 library for showing GUI windows. It has a listening socket and whenever a new connection arrives then it will create a new process to serve the con…
Errors when executing execute_command_line() in a Fortran code
I have wrote down Fortran code to calculate the distance and then sorting, but there is some problem in calling executable command. Here is the code The input file is a.gro outfile file 3, dist.txt so, I want to sort r(i,j), keeping i same j different.but call line is not working in fortran code. error that i…