how to read file in perl line by line

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What is Perl? Programming language Perl detailed introduction to _perl

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

Perl Command Line remarks

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 '

One of the Perl common problem sets-application tips

What is Perl? Perl is a high-level programming language, written by Larry Wall and many others, and incorporates the characteristics of many languages. It is mainly by the ubiquitous C language, followed by the SED, Awk,unix shell and at least a

Basic perl syntax

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

Perl Basic Syntax Introduction _ Basics Tutorial

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

Perl a sentence summary of common parameters in command line programming _perl

The online environment at work has a lot of Perl command-line commands like a sentence, and today concludes some of the things that Perl command line programming. - e The string followed by the quotation marks is the command to execute: Copy

There is only one line of Perl program page 1/3

1 line PerlSpeaking of Perl today, there is only one line of Perl Program .Various Programming Language Perl is famous for its abnormal ancient spirit. For example, I often write Perl programs that I don't understand.For example, although the

Only one line of Perl programs 1th/3 page _ Application Tips

1 Line PerlPerl, for today, has only one line of Perl programs.Perl is famous in a variety of programming languages, such as I, who often write Perl programs that I can't read.For example, the program in this document, although short, estimated one

Learning Perl 4ed Reading Notes-Chapter2 scalar data

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,

The usage of Perl variable $/when parsing context is row mode, what $/defines to distinguish line _ application Tips

By default, it is clear that the rows are distinguished by \ n, which we also call as line breaks. When reading a sequence, when read by row, the line break is the standard. The contents of the read STRAWBERRY1.GB file are as follows: Locus JX118024

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