Category Archives: Command line

command line fun – testing for existence

Posted on April 13, 2016 by DocDock

I remember quite some time ago when I was developing a an application when the personal computer was actually fairly slow.  Of course I happened to pick a technology that worked just fine on a newer computer but it actually … Continue reading →

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command line fun – transferring data with sftp

Posted on April 11, 2016 by DocDock

I must admit that I misunderstood the task when I first saw it.  The vendor had changed how they provide the data.  We will no longer be able to retrieve the data using ftp – the data should be picked … Continue reading →

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command line fun – juliane day number to gregorian

Posted on March 26, 2016 by DocDock

In a previous blog, I implemented a routine to convert a Gregorian date into a Juliane day number to allow simple math and comparisons on dates. This was pretty cool but it is less useful if you cannot convert back … Continue reading →

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command line fun – julian day number

Posted on March 21, 2016 by DocDock

I keep getting into a situation where I need to do some simple date calculations.  This is not a problem using a language like Java or when using a language that lets you add additional modules like Perl.  Unfortunately, some … Continue reading →

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command line – stupid date tricks

Posted on March 12, 2016 by DocDock

Just because you can do something doesn’t mean that you should do it.  I try and keep to that simple rule but from time to time it is fun to see what crazy things you can do in a simple … Continue reading →

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command line junkie – speed test

Posted on March 7, 2016 by DocDock

Graphical operating systems really does make it easier to multi-task, especially for people who are not comfortable on the command line.  It is really easy to switch between your spreadsheet, web browsers and photo viewer programs in this type of … Continue reading →

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command line fun – math

Posted on March 1, 2016 by DocDock

What is nice about shell scripting on Linux is that the language is just as complete as most of the compiled languages.  What elements makes up a pretty good computer language. variables assignments conditionals statements flow control expressions functions These … Continue reading →

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command line fun – windows flow control

Posted on February 21, 2016 by DocDock

Windows batch files are not nearly as rich as some languages (perl or python) and certainly not as rich as the shell scripting. Not all of the familiar control structures exist but it is possible to create some as necessary … Continue reading →

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command line fun – flow control

Posted on February 11, 2016 by DocDock

Shell scripting is like any other programming language as far as control statements go.  To be honest, all your favorite control statements can be whipped up using either if/then statement or a loop. The good news is that we don’t … Continue reading →

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the joy of non-standard graphic formats

Posted on January 31, 2016 by DocDock

It was a wild and carefree time in the nineties.  Partying with friends, going on vacations, as well as traveling to exotic locations.  Some of my friends had not only gone on vacations but they had Kodak create some CD’s … Continue reading →

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