Archive: function

Found this great article on writing bash scripts defensively. Glad to say most of the advice we are already following with our bash scripts however there are a couple of new things I intend to roll in on Monday. Recommended reading for anyone scripting in Bash. http://www.davidpashley.com/articles/writing-robust-shell-scripts.html More Reading:Server Migration – Pipe Tar from Server [...]

If you need to update a large number of rows on a single table then your first reaction may be to write a loop that updates one row at a time. Of course if the table is large then this can result in a very large number of SQL queries. Taking a bit of inspiration [...]

Some times you might have a legacy system that is built around csv or similar and you need to import an XML data source into this system. Of course one possibility is to build full XML handling capabilities into the system. Perhaps a more sane solution is to simply convert the XML to CSV so [...]

EAN13 is a barcode format. It consists of 12 numbers which you will generally have a range assigned to you. The 13th digit is called the check digit and is formulated by loooking at the other 12 digits. The purpose of the check digit is to ensure that the number is being read correctly as [...]