Install File::Util for Perl

Mac Tutorials - Herong's Tutorial Examples

∟Install File::Util for Perl

This section provides a tutorial on how to install Perl File::Util module from the download .tar file using the 'make' utility on macOS.

If you want to Perl scripts to handle file paths on both Unix and Windows systems, you should install and use the File::Util module as shown in this tutorial.

1. Go to File::Util Website at metacpan.org/pod/File::Util.

2. Click "Download" on the left menu. The download file, File-Util-4.161950.tar, will be saved in your "Downloads" directory.

3. Start a Terminal window and run the following commands to prepare the installation:

herong$ cd ~/Downloads

herong$ tar -xf File-Util-4.161950.tar

herong$ cd File-Util-4.161950

herong$ perl Makefile.PL

4. Use the "make" utility to install File::Util. If macOS prompts you to install "Xcode", click "Install" to install it.

herong$ make test

herong$ sudo make install
(Enter admin password)

Now you can enjoy functionalities provided by File::Util as in the following Perl script:

  use File::Util;

  $nl = File::Util->NL; # new line separator
  $slash = File::Util->SL; # directory separator
  $os = File::Util->OS; # system identifier

  print "..${slash}..${slash} -- grand parent directory$nl";

  if ($os =~ /UNIX/) {
    print "I on a Unix/Linux system$nl";
  }