perl $~
Here are the places where Perl will assume $_ even if you don't specify it − .... $~, The name of the current report format for the currently selected output channel. ,Package Standalone Perl Applications #40 Perl may seem like an atypical GUI language, but it does have bindings for GUI toolkits including Tk, wxWidgets, Qt, ...
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 perl $~ 相關參考資料
PERL - Special Variables - kichwa.com
Number of lines left on the page, lines_on_page - lines_printed. $~, Name of the current report format, Closely related to $^. $^, Name of the current top-of-page ... http://www.kichwa.com Perl - Special Variables - Tutorialspoint
Here are the places where Perl will assume $_ even if you don't specify it − .... $~, The name of the current report format for the currently selected output channel. https://www.tutorialspoint.com Perl Hacks: Tips & Tools for Programming, Debugging, and Surviving
Package Standalone Perl Applications #40 Perl may seem like an atypical GUI language, but it does have bindings for GUI toolkits including Tk, wxWidgets, Qt, ... https://books.google.com.tw Perl Special Variables Quick Reference - PerlMonks
Perl Special Variables Quick Reference ... Number of lines left on page. $~, Format name. ... Old: Version and patch number of perl interpreter. https://www.perlmonks.org Perl 格式化输出| 菜鸟教程
#!/usr/bin/perl $~ = "MYFORMAT"; # 指定默认文件变量下所使用的格式 write; # 输出$~ 所指定的格式 format MYFORMAT = # 定义格式MYFORMAT ... http://www.runoob.com Perl 筆記Perl note
規則表示式(regular express)： 在sed,awk,perl,less,grep...中也是要用到，早點會regexp 您生活在Linux(Unix)的世界會更美好。 學了regexp 您會有點看不起windows ... http://irw.ncut.edu.tw perlvar - perldoc.perl.org
Variable names in Perl can have several formats. Usually, they must begin with a letter or underscore, in which case they can be arbitrarily long (up to an internal ... https://perldoc.perl.org Perl的基本語法 - 海洋大學
前言： 這篇文章是花了我很多時間、費了我很多心血才完成的，雖然連我自己都覺得無法達到盡善盡美的境界，但希望能幫助大家入門，稍微了解到Perl到底是個什麼樣 ... http://ind.ntou.edu.tw Perl聖經
用來模擬多維陣列的註標. $~ (或$FORMAT_NAME). 就是目前選用的檔案代碼所要使用的格式名稱. $^(或$FORMAT_TOP_NAME). 是目前所使用的頁首格式,預設值 ... http://in.ncu.edu.tw What Are the Special Variables? - Pages supplied by users
... handle. $~: -- Holds the name of the default line format for the default file handle. ... $0: -- Holds the name of the file containing the Perl script being executed. https://users.cs.cf.ac.uk |