If you have any experience with the Linux command line, you’ve probably used a pipe to solve tasks by combining simple ...

Today’s hint will probably only appeal to those of you learning to use the Unix side of OS X. A while back, I was trying to capture the output of the Unix command httpd -t (which runs a syntax check ...

There are numerous ways to redirect standard error in a Perl script. You can redirect the output from one particular command, you can combine standard error with ...