Perl can take its input from a file and send its output to a file using standard I/O redirection. : Perl Command « Language Basics « Perl

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Perl » Language Basics » Perl Command 
Perl can take its input from a file and send its output to a file using standard I/O redirection.
  

$ perl -ne 'print;' < yourTextFile
$ perl -ne 'print' emp.first > yourTextFile

   
    
  
Related examples in the same category
1.A program that uses the -0 option.
2.A program that uses the -l option.
3.Edit files using the -i option.
4.The -c Switch checks the Perl syntax without actually executing the Perl commands
5.The -e switch executes Perl statements at the command line instead of from a script.
6.The -n Switch: print the contents of a file or search for a line that contains a particular pattern
7.The -w option passed to the perl command generates a warning about the code itself.
8.Using -e option to execute the perl statement
9.Using /e modifier to evaluate
10.Using the -n option.
11.Using two statements with -e option
12.Using variable with -e option
13.'#!/usr/bin/perl -w ' tells the perl command to turn on extra warnings with the -w option.
14.An example of the -a option.
15.Executing the Script
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