Imagine you have a file with multiple columns and you need to quickly get the total of a column in command line in UNIX. The easiest way is to use AWK in the command line. Let’s take the following file: 1 2 3 4 5 6 7 8 9 2 Read more…
I am a big fan of beautiful code, not only in terms of quality of programming but also formatting the code nicely so that it is easy on eyes. If you are using a full-blown IDE, they come with their own formatting facility, but if you are using a multipurpose Read more…
If you ever had to deal with PCL you would know that there is no command to centre the text. There are some printers that support HPGL command embedded in the PCL file, but not all. If we are printing a predefined text, we know the measurements and would set absolute positioning. But Read more…