February 2006
Intermediate to advanced
304 pages
6h 16m
English
Content preview from Wicked Cool Perl Scripts
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.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.
#23 Disk Space Alarm
I ran out of disk space today. I was working on a program that produced a number of huge core dumps and filled up my disk. Of course I didn't notice it until I started to do a compile and found that my object files were getting truncated. It would have been nice to learn of the problem sooner. As it turned out, because the build broke, I was forced to clean out the core files and restart the build from scratch.
This script tells everyone when disk space is low.
The Code
1 #!/usr/bin/perl 2 use strict; 3 use warnings; 4 5 use Filesys::DiskSpace; 6 7 my $space_limit = 5; # Less than 5%, scream 8 9 if ($#ARGV == -1) { 10 print "Usage is $0 <fs> [<fs>....]\n"; 11 exit (8); 12 } 13 14 # Loop through each directory in the 15 ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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