March 2005
Intermediate to advanced
1064 pages
34h 51m
English
Content preview from Pro Perl
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CHAPTER 14Command Line andShell Interaction
This chapter and the next explore interacting with Perl through the command line. This is a broader subject than it might at first appear, since it covers everything from command-line processing to properties of shells and terminal programming. A desktop icon can be configured to trigger a command too, so even in a graphical world command-line processing can still be relevant. Perl was partly inspired by Unix commands like sed and awk and so inherits a lot of shell-like sensibilities and syntax. Not surprisingly, therefore, Perl turns out to be quite good at command-line processing.
We begin by looking at how we read command-line options into our Perl programs, starting with the special array @ARGV ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.