The Meditative Coder

I'm a fan of language REPLs (Read, Evaluate, Print, Loop). These are interactive programs that let you experiment with the language. For...

I've been thinking a lot recently about code maintainability, including scripts. I write a lot of shell scripts, usually restricting mys...

 I don't know why I keep forgetting about this technique. I guess it's because while it is worth its weight in gold when you need it...

I generally don't like surprises. I'm not a surprise kind of guy. If you decide you don't like me and want to make me feel miser...

In an earlier post , I discovered that a simple Perl program can outperform grep by about double. Today I discovered that some patterns can ...

 I'm not crazy after all! Well, ok, I guess figuring out a difference in "sed" between gnu and bsd is not a sign of sanity. (T...

 The Unix shell usually does a good job of doing what you expect it to do. Writing shell scripts is usually pretty straight-forward. Yes, so...

So, I've been crawling through a debug log file that is 195 million lines long. I've been using a lot of "grep | wc" to co...

As I've mentioned, I am the proud father of a C.H.I.P. single-board computer.  I've been playing with it for a while, and have also ...

I wanted a script that would invoke a process, passing in a port number from a circular pool of ports.  When the process exits and restarts,...

I have some periodic cron jobs that need extra configuration.  For example, one of them generates a report on bug statistics on a code branc...