Bash scripts are powerful, but with power comes great responsibility. It’s very easy for sloppy or poorly-planned code to do real damage, so it’s a good idea to be careful and practice defensive ...

Ok, I can't script my way out of a papper bag, so I need help with this.<P>I declare some variables at the prompt:<P>export catname=Fluffy<BR>export dogname=Spot<P>I ...

There I was, trying to come up with a topic for this column, when I did what I usually do when stumped: I sent a question out to my Twitter followers. This time, I got a great answer, from John ...

I need to have a filename in the format : <BR>[machine-name date]<BR>ie, eniac102980<P>I figured I could set an environment variable to the date and the machines name, but I can't figure out how to ...

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