Programming Craftmanship
Notes on Unix, Python, databases, design, and building useful systems.
Here are some more examples of beautiful things you can do in Unix. 1.) Execute an SQL script against a database called db3, translate the output into CSV and report how long it took to execute. $ time cat usage.sql | db3 |tr '\t' ',' > usage.csv real 0m0.605s…
Unix with the Bash shell is beautiful because you can string a list of simple commands together to instruct computers to do complex things. Folks sometimes refer to this as " sed , grep , awk" . Those are Unix commands with cryptic names - they sound like…
The Unix Operating System, born 45 years ago, and the Bash Shell, born 25 years ago - are the two most powerful programming tools ever created. Unix was the brain child of Ken Thompson and Dennis Ritchie while working in the mid-1960s. Today most of us use a…
Ask yourself, is it Elegant? Is it a thing of beauty? If this is some important piece of code that others will be using then it should be written well. I read once in an old programming book, "Born to Code in C", that first you need to make it work, then make…