perl : find if IP address is in Network range
Using NetAddr::IP one can find if a given IP address is in provided Network range or on the subnet.
Category: Perl
perl : Remove empty lines from an array
Using grep and pattern matching, empty lines can be removed from an array in perl.
perl : Process Command Line Arguments
Getopt module provides a very good way to process command line flags and also performs the type checking of the values provided.
perl : Generate Random Data Natively
Using "rand" built-in random data or password can be generated in perl natively without using any external modules.
perl : Extract filename from full path
Use substr and rindex to extract the name of file from full pathname. Or use basename provided by File::Basename.
perl : Read filenames from a Directory
Using perl glob function filenames from a directory can be read easily. Simply use @files = to get filesnames that match the pattern in the given directory.
find broken symlinks
Using find and test commands you can search for the dangling or broken soft links on a Unix system.
perl : Set different TimeZone for script
$ENV{TZ} sets the environment in perl scripts.
perl : Create unix time from readable time
"mktime" for unixtime and "localtime" for readable time.