I am writing a program to implement a simple shell in C but when I execute the program at the end when I type exit it does not exit. I am executing in on cygwin hence a.exe is generated. execution of program Here you can see in the above output the program is not able to exit when I am
Tag: shell
How to efficiently loop through the lines of a file in Bash?
I have a file example.txt with about 3000 lines with a string in each line. A small file example would be: I want to check all repeated lines in this file and output them. The desired output would be: I made a script checkRepetions.sh: However this script is very slow, it takes more than 10 minutes to run. In python
Search and Replace ( multiple lines )
Hello StackOverflow Community! I’m working on a bash script to change in Dynamic text file, I want to replace multiple lines with one line. Ex: This example, I want to replace THIS With KKKKK Before script After script I found a script to replace using ( sed ) but it doesn’t replace multiple lines. NOTE: I’m a beginner at scripting
Parse command `watch` with `InputStream`
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
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
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
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 is coming Please let
Check the new uploaded file and redirect the file data in other file in bash script?
I have a script to get the mail notification when any new file was created in a directory. Now I want to redirect the data in another file which was uploaded. below is the script which is creating a blank file. Please help. Answer @Yuvi, check tehe content of the $files variable. Does it contain the full path of each
How to input password to a shell command ‘git push’ from a Jupyter Notebook?
I have the following code in a Jupyter Notebook’s cell: which will ask my password for Github but the cell keeps on running as I can’t find the way to input my password. For some reason, I want to push the code this way. I tried to follow the similar questions but nothing seems to be working in my case.
gcloud instance disk space
I am trying to do some computing on cloud. For this I created a computing instance and then I attached an external storage with about 10TB. But it seemed that I did something wrong and I got only 200GB available for my datalab. Any comment will be helpful To check this I used and Thanks. Answer As I can see