Skip to content

Tag: linux

Piping two command from makefile is not working

I use the following commands in my makefile in the commands im getting array of values and remove the array [] from it, I want to run this command in my terminal and I use the following fzr provide apps | (subst ],,$(subst [,,$(apps))) | $(apps) and I got error what am I missing here ? if I run only

Why open() has no ‘fd’ return in linux 1.0?

Since there is no return of ‘fd’, how does it read/write later for? ex: Answer open returns a value in there. The cast-to-void is used to signal the compiler that the return value is being deliberately ignored. The init function is the one where the current thread is prepared to execute the init p…

ls sort order inside container

Running ls -d to list directories, print directories in different order if trailing / is present in file name. Why is that? What sorting rules apply? and why does this happen only with docker? With trailing / Without trailing / Answer I found out I get the same behavior using sort command But the sorting orde…

Replacement of PS1 variable in .bashrc using Sed or Perl

I am trying to replace a line in file and am running in to issues. Original File: Command I am running: Error message: I also tried sed: Result with Sed: Expected Result File: End Result This doesn’t have much to do with the question except to show folks what the PS1 will look like when working properly…