While other scripting languages have gained popularity, Perl remains a popular choice due to its robust text processing capabilities. It's easy to create "one-liners," or very short scripts, that can ...

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. Perl is everywhere. Most ...

A similar Perl pie command might change Windows (DOS) style line endings (carriage return, linefeed) to Unix style line endings (linefeed only) or to replace other bytes in a file whether the file is ...

As systems get larger and the number of users they support increases, it becomes more difficult to manage systems using only the old-fashioned UNIX /etc/passwd file. A common solution to this problem ...

In my last article for Linux Journal's web edition, I discussed a web-based program that queried an SQL database and output a native Excel file. That article was based on a program I wrote for a ...

Perl was originally developed by Larry Wall in 1987. Version 1.0 released to the comp.sources.misc Usenet newsgroup on December 18, 1987. Originally the only documentation for Perl was a single man ...

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 want to ...

Every programming language has its strengths...and its weaknesses. We identify five tasks for which perl is ideally suited, and four that...well, really, shouldn't you choose something else? We all ...