perl number format

Perl's original designer was Larry Wall (Larry Wall), which was published on December 18, 1987. Perl borrows the features of C, sed, awk, shell scripting, and many other programming languages. Larry Wall Published version 1.0 of the Perl scripting

one. DataType (data type ):Perl's data types are roughly four: Scalar (variables), Scalar Array (array), hash array (hash), References (pointer), but they seem to be small but more than sufficient. In particular, you can write a Perl program without

I. Data Types(Data type): Perl has four data types: Scalar (variable), Scalar Array (Array), Hash Array (Hash), and References (pointer ), it seems to be rare, but it is more than enough to use it. Especially when writing Perl programs, you do not

How to Use eclipse to debug a Perl application before 11:30:36 This tutorial will introduce the debugging functions provided by the eclipse epic plug-in. This plug-in provides a rich debugging environment that can be used in the epic Perl

Reference Common Perl Command Line options Common unix Commands: perl implements sed awk tr nl   Perl, sed, awk, tr, grep, nl, and other common commandsSed Task Sed Perl Replace12WithTwelve sed 's/12/twelve/g' perl -pe '

Learning Perl 4ed Reading Notes Chapter2 scalar data1. Numbers. All data (INT, float) is of the double type in Perl. Of course, sometimes Perl also uses integer to represent int internally, because this can improve the running speed of the program,

Usage of CPAN in Perl learning notes This article mainly introduces the usage of CPAN in Perl learning notes. This article describes CPAN, CPAN's directory functions, and CPAN's installation of Perl Module, for more information, see CPAN

 Install with CPAN 1. My system is Debian. By default, only Perl-base is installed, that is, Perl can be used, but CPAN is not installed. Therefore, Perl is installed in the system. Aptitude install Perl Install Perl-modules in addition. You can

This article mainly introduces the CPAN use of Perl learning notes, this article explains what is CPAN, Cpan directory role Introduction, CPAN Install Perl module two methods and so on, the need for friends can refer to the CPAN (Comprehensive Perl

CPAN (Comprehensive Perl Archive Network: A comprehensive Perl archive network) is the central repository for any Perl-related stuff. It contains the wisdom gathered from the entire Perl community: Hundreds of Perl modules and scripts, the