chop command in 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

Example: Copy Code code as follows: #!/bin/perl Print "Please input a string and a number by order!\n"; $the _string=<>; $the _numb=<>; Print "The result is \ n"; Print "$the _string" x "$the _numb"; Results:The

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

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

Part I Programming Perl 1 Perl Data Types 1.1 Funny Characters Type Character Example is a name for: Scalar $ $cents An individual value (number or string) Array @ @large

Call the Perl subroutine in VCAuthor: Source: ZZ published on: Views: 2691 font size: large medium small As needed, you need to call the Perl subroutine in VC to process the file. You can run it after reading the Perl instruction document for a long

1. Simple Variables ============== 1. Integer$ X = 123456;Perl stores integer data in floating-point registers. In fact, integer variables are treated as floating-point numbers in Perl, but they are only a special column of floating-point data.The

In file I/O, to read data from a file, the application must first call the operating system function, transfer the file name, and select a path to the file to open the file. This function retrieves a sequence number, namely, the filehandle of a Perl

Common Perl Functions Command: PrintSyntax: Print filehandle listNote: This filehandle can be seen as a bridge between I (input) and O (output). You can use filehandle to read and write data. stdin indicates the connection from which data is input,

List of common system functions Command: PrintSyntax: Print Filehandle LISTDescription: This Filehandle can be seen as a bridge between I (INPUT) and O (OUTPUT). You can use FILEHANDLE to read and write data. STDIN indicates the connection from