Perl

網路腳本語言((2019/12/30))

副常式常應用在副常式參照，資料結構儲存於變數中，而行為儲存於副常式中。

Perl' Syntax

see https://github.com/QueenieCplusplus/Perl_Again/blob/master/README.md (2020/4/4)

• subroutine

變量

• scalar(純量)

運算符號：

• eval https://github.com/QueenieCplusplus/Perl/blob/master/eval.pl (危險！)

• do https://github.com/QueenieCplusplus/Perl/blob/master/do.pl

串列運算，也可用 foreach 取代

• map https://github.com/QueenieCplusplus/Perl/blob/master/map.pl

• grep https://github.com/QueenieCplusplus/Perl/blob/master/grep.pl

簡明文件，iOS 也會用到

• Pod https://github.com/QueenieCplusplus/Perl/blob/master/pod.pl

讀入檔案、引用模組方法、匯出模組的匯入常式 (副檔名須改為 .pm)

• require https://github.com/QueenieCplusplus/Perl/blob/master/require.pl

• use https://github.com/QueenieCplusplus/Perl/blob/master/use.pl

• import https://github.com/QueenieCplusplus/Perl/blob/master/import.pl

資料處理

• Data::Dumper

• Storable

輸出入模組

• IO::Interactive

• IO::Scalar

• IO::Tree

• IO::Pipe

組建系統

https://github.com/QueenieCplusplus/Perl_Again/blob/master/README.md#perl-has-4-build-systems

• Makefile

• Build

內建模組(有函式模組和物件導向型別模組)

標準程式庫，稱為核心模組或稱發行套件

https://www.cpan.org