*NOTE: ls -1 will list all files one per line, afterwards we pipe the results to wc which will count the lines and thus the total number of file.
It is up to the user to modify the ls in such way that it will perform more complex operations.
Recently we wanted to check when did the permissions of a specific file changed. Unfortunately, there exists no such flag and we do not have a 100% working solution for it. What we did was to check the last modification time of the file status information (ctime) using the ls…
Recently, we were working on a project that had committed in the source code a configuration file. That configuration file had hard-coded the production system values, so we had to modify them to the development system values before using it. To avoid committing the configuration file with the development parameters…
In this post we will describe a way to print the last N number of columns in awk. We will use this code as example, where we will print the last 2 columns only: In the awk script we use the variable n to control how many columns we want…
