Perl my

Perl的資料型態大致分為四種：Scalar、Scalar Array、Hash Array、References， 看起來雖少但用起來 ... 宣告變數時若不加my 或local 則Perl會...

my keyword in Perl declares the listed variable to be local to the enclosing block in which it is...

my $mainstring = "Perl Mongers"; my $substring = "Mongers"; print index($mainstring, $substring);...

Perl 模組庫(library) 中的strict 與warnings 促使程式有較安全的寫法. Perl 中這些常用的模 ... 這時候我們可以將程式加入my 函數，用以宣告區域變數(loc...

A my declares the listed variables to be local (lexically) to the enclosing block, ... or startin...