perlintro#
Writing subroutines,
perlvar#
@ARGV,
Data::Dump::
dd (
Basic debugging checklist ),
GetOpt::Long,
perlrun#
s
$ perl -se " use Data:::Dump qw/ dd /; dd( \@ARGV, $pan ) " -- -pan=ca
+kes ro sham bo
(["ro", "sham", "bo"], "cakes")
$ perl -e " use Data::Dump qw/ dd /; use Getopt::Long; my %opt; GetOpt
+ions( \%opt, qw[ pan=s bo! ]); dd( \%opt , \@ARGV ) " -- -pan=cakes
+bi bicky by -bo bo
({ bo => 1, pan => "cakes" }, ["bi", "bicky", "by", "bo"])
$ perl -e " use Data::Dump qw/ dd /; Main( @ARGV ); sub Main { dd( \@_
+ ); } " ba bay bi bi bo bicky bi bo bo
["ba", "bay", "bi", "bi", "bo", "bicky", "bi", "bo", "bo"]
Modern Perl a loose description of how experienced and effective Perl 5 programmers work....You can learn this too.
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