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Miscellaneous Perl programming information. How to use for loops and printing...

Opening a folder and listing the contents, and not listing certain files. This is the Perl code I was using on my very old Tripod.com website. opendir(DNAME, "$folder") || die "I cannot open the...

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Wrapping the printf() statement onto multiple lines in C and some other...

This code sample shows how we are wrapping a printf() statement onto multiple lines using backslashes. #include "stdio.h" #define hello "Hello World." int main(int argc, char* argv[]) { printf("This is...

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Networking script I am working on. This prints some information about your...

This perl script will print some information about your networking set-up on your Linux machine. #!/usr/bin/perl use warnings; $iface = "eth0"; @data = `ifconfig`; $net = $data[1]; $username =...

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Voyager probe leaving us and thoughts on the end of the world and Perl.

The Voyager probe is finally approaching the edge of the heliosphere; the massive sphere that encloses the entire solar system; very soon the lonely probe will finally be entering deep space and it...

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A script I wrote that checks whether a host is reachable by various protocols...

#!/usr/bin/perl use warnings; use Net::Ping; # code source: http://www.perlmonks.org/?node_id=943892 # More:...

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Useful code snippets and commands for Linux.

Alternatives to the ping and traceroute commands on a Linux system. There are many alternatives to the ping and traceroute commands on a Linux system. The mtr command is one of them. This command will...

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A very useful Perl coding example. How to filter swear words.

This is a very useful Perl code sample, this will filter out any bad words that are entered into the array. my @forbidden = ("very","bad","words","go","in","this","array"); foreach my $forbidden...

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