Command-line Perl scripts can make adminstering a UNIX box easier by replacing certain commands with some routine scripts. Find out how to take advantage of this approach.

The “-p -i -e” part of this command could also be expressed as “-pi -e” and this is, in fact, like the example that the author uses to start his journey through 130 really useful Perl one ...

In the command below, we’re using the perl tr command to map the range of characters between hex 80 (decimal 128) to hex FF (decimal 255) aqnd deleting them (d).

I could put the shell commands in a batch file and have the perl script just call the batch, but that is really sloppy.<BR><BR>Does anyone out there know how to write an octet string to Active ...

I write Perl programs that use the Windows shell command dir. The dir command is built into cmd.exe and there is no dir.exe in the System folder.

A lot of information is available about individual files on a Unix system. For example, the ls -l command will display the permissions matrix and ls -i will display a file’s inode. But, if we ...

Perl pie commands make replacing text within a file fairly easy, though you should always be careful that you’re not changing text you didn’t mean to change along with the text you hoped to ...

Any commands following this one in your script can be coded without regard for whether they might generate errors that would normally be sent to standard error.