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Perl | Accessing a Directory using File Globbing
  • Last Updated : 30 Jun, 2019

In Perl, a directory is used to store values in the form of lists. A directory is quite similar to a file. Just like a file, the directory also allows performing several operations on it. These operations are used for the modification of an existing directory or creation of a new one. A directory can be very easily opened and processed using the built-in function glob.

Glob:
It returns a list of files that match the expression passed in the argument. This function can print all or the specific files whose extension has been passed to it.

Syntax:

@list = <*>; // Prints all files in current directory
@list = glob(“*.pl”); // Prints all files in current directory with extension .pl
@list = glob(‘//GeeksforGeeks//Files//*); // Prints all files in the given path

Here are some examples that illustrate accessing a directory using File Globbing.
Examples:

  • Accessing the current directory of the script:




    #!/usr/bin/perl -w
      
    # Accessing files using glob function
    @files = glob('*');      # Returns list of all files
    foreach $file (@files)   # Loop to run through all files
    {
        print $file . "\n";     # Print all files

    Output:
    Glob Output1

  • Opening a specified directory:




    #!/usr/bin/perl -w
      
    # Prints only the filename excluding the path
    use File::Basename; 
      
    # Returns list of all files
    @files = glob('C:/Users/GeeksForGeeks/Folder/*'); 
    foreach $file (@files) # Loop to run through all files
    {
        print basename($file), "\n"; # Print all files

    Output:

    My Personal Notes arrow_drop_up
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