perl - Can't locate DBI.pm - Stack Overflow
If you installed it, you either installed it using/for a different perl, or you instructed Perl to install it to a non-standard directory and you haven't told perl to look into that directory. 1) How did you …
perl - How can I install XML::LibXML on Ubuntu - Stack Overflow
Ubuntu provides a lot of Perl packages natively, with following naming convention: package name always starts with lib, then Perl package name like XML::LibXML is converted to lower case …
How can I check if a file exists in Perl? - Stack Overflow
Apr 8, 2010 · The perlfunc documentation covers the long list of Perl's file-test operators that covers many situations you will encounter in practice. -r File is readable by effective uid/gid. -w …
What is the difference between 'my' and 'our' in Perl?
May 10, 2009 · I know what my is in Perl. It defines a variable that exists only in the scope of the block in which it is defined. What does our do? How does our differ from my?
How can I print the contents of a hash in Perl? - Stack Overflow
Jul 21, 2009 · I keep printing my hash as # of buckets / # allocated. How do I print the contents of my hash? Without using a while loop would be most preferable (for example, a one-liner would …
perl - How do I update all my CPAN modules to their latest …
Sep 16, 2010 · 63 An easy way to upgrade all Perl packages (CPAN modules) is the following way: cpan upgrade /(.*)/ cpan will recognize the regular expression like this and will …
operators - What does =~ do in Perl? - Stack Overflow
Jan 24, 2019 · 14 The '=~' operator is a binary binding operator that indicates the following operation will search or modify the scalar on the left. The default (unspecified) operator is 'm' …
Getting the full set of installed Perl modules - Stack Overflow
Jan 17, 2014 · While recursing through all of the @INC directories will give you the modules that "Perl knows about", what's the cleanest way to find all of the modules that have been built on a …
perl - Where is the error "Use of uninitialized value in string ne ...
Jan 7, 2012 · Perl has no fixed data types, and relies on conversion of data. In this case, undef (which coincidentally is not a value, it is a function: undef(), which returns the undefined value), …
operators - What does =~ mean in Perl? - Stack Overflow
May 2, 2012 · Possible Duplicate: What does =~ do in Perl? In a Perl program I am examining (namly plutil.pl), I see a lot of =~ on the XML parser portion. For example, here is …