Conventions used in this book
this
denotes text that you enter literally.
- this
means variable text, i.e., things you must fill in.
- this†
means that if this is omitted, $_
will be used instead.
- word
is a keyword, i.e., a word with a special meaning.
- [. . . ]
denotes an optional part.
points to related documents, which can be viewed with a perldoc
command.
..................Content has been hidden....................
You can't read the all page of ebook, please click
here login for view all page.