=head1 NAME
-perlfaq - frequently asked questions about Perl ($Date: 1999/01/08 05:54:52 $)
+perlfaq - frequently asked questions about Perl ($Date: 1999/05/23 20:38:02 $)
=head1 DESCRIPTION
=item * How do I find the week-of-the-year/day-of-the-year?
+=item * How do I find the current century or millennium?
+
=item * How can I compare two dates and find the difference?
=item * How can I take a string and turn it into epoch seconds?
=item * What's wrong with always quoting "$vars"?
-=item * Why don't my E<lt>E<lt>HERE documents work?
+=item * Why don't my <<HERE documents work?
=item * What is the difference between a list and an array?
=item * What is the difference between $array[1] and @array[1]?
-=item * How can I extract just the unique elements of an array?
+=item * How can I remove duplicate elements from a list or array?
=item * How can I tell whether a list or array contains a certain element?
=item * How come when I open a file read-write it wipes it out?
-=item * Why do I sometimes get an "Argument list too long" when I use E<lt>*E<gt>?
+=item * Why do I sometimes get an "Argument list too long" when I use <*>?
=item * Is there a leak/bug in glob()?
-=item * How can I open a file with a leading "E<gt>" or trailing blanks?
+=item * How can I open a file with a leading ">" or trailing blanks?
=item * How can I reliably rename a file?
=item * How do I print to more than one file at once?
+=item * How can I read in an entire file all at once?
+
=item * How can I read in a file by paragraphs?
=item * How can I read a single character from a file? From the keyboard?
=item * How can I match a locale-smart version of C</[a-zA-Z]/>?
-=item * How can I quote a variable to use in a regexp?
+=item * How can I quote a variable to use in a regex?
=item * What is C</o> really for?
=item * Can I use Perl regular expressions to match balanced text?
-=item * What does it mean that regexps are greedy? How can I get around it?
+=item * What does it mean that regexes are greedy? How can I get around it?
=item * How do I process each word on each line?
=item * What good is C<\G> in a regular expression?
-=item * Are Perl regexps DFAs or NFAs? Are they POSIX compliant?
+=item * Are Perl regexes DFAs or NFAs? Are they POSIX compliant?
=item * What's wrong with using grep or map in a void context?
=item * Can I get a BNF/yacc/RE for the Perl language?
-=item * What are all these $@%* punctuation signs, and how do I know when to use them?
+=item * What are all these $@%&* punctuation signs, and how do I know when to use them?
=item * Do I always/never have to quote my strings or use semicolons and commas?
=item * What is variable suicide and how can I prevent it?
-=item * How can I pass/return a {Function, FileHandle, Array, Hash, Method, Regexp}?
+=item * How can I pass/return a {Function, FileHandle, Array, Hash, Method, Regex}?
=item * How do I create a static variable?
=item * What's the difference between deep and shallow binding?
-=item * Why doesn't "my($foo) = E<lt>FILEE<gt>;" work right?
+=item * Why doesn't "my($foo) = <FILE>;" work right?
=item * How do I redefine a builtin function, operator, or method?
=item * How do I clear a package?
+=item * How can I use a variable as a variable name?
+
=back
=item * How do I open a file without blocking?
-=item * How do I install a CPAN module?
+=item * How do I install a module from CPAN?
=item * What's the difference between require and use?
=over 4
+=item 23/May/99
+
+Extensive updates from the net in preparation for 5.6 release.
+
+=item 13/April/99
+
+More minor touch-ups. Added new question at the end
+of perlfaq7 on variable names within variables.
+
=item 7/January/99
Small touchups here and there. Added all questions in this
have been no changes since its initial release.
=back
-
projects / p5sagit/p5-mst-13.2.git / blobdiff