Tag Archives: shell

Cataloging SDHC Cards on Ubuntu using a bash script

Posted on November 20, 2014 by grymoire

I have a lot of SD memory cards. I use them for my Camera, my Raspberry Pi, and for my laptop. They are cheap enough, I get several spares. And it makes it easy to convert my Raspberry Pi into … Continue reading →

Posted in Linux, Shell Scripting | Tagged , , , , , , , | 1 Comment

Setting up your Linux environment to support multiple versions of Java

Posted on November 20, 2014 by grymoire

Four ways to change your version of Java Most people just define their JAVA_HOME variable, and rarely change it. If you do want to change it, or perhaps switch between different versions, you have some choices:  Use update-alternatives (Debian systems) … Continue reading →

Posted in Linux, Shell Scripting, System Administration | Tagged , , , , , , , | 5 Comments

Generating website navigation using perl, sed, and make

Posted on January 31, 2014 by grymoire

The problem – Site navigation without frames I wanted to add an easy way to navigate to any of my web pages, but I didn’t want to use frames, or break any of the current links. I also have a … Continue reading →

Posted in Shell Scripting, Technology | Tagged , , , , , , | 1 Comment

sed and the t character

Posted on July 18, 2010 by grymoire

Dear Grymoire, I am trying to convert a pipe character into a tab. I tried sed y/|/t/ <in>out but it did not work. Instead of a tab, I got a ‘t’.  What did I do wrong? I thought this was … Continue reading →

Posted in Shell Scripting | Tagged , , , , , , | 9 Comments