I dowloaded Perl from an NCBI website --> Applications of the E-Utilities. The version turned out to be v18. Later I found that the latest version is recommended. This turned out to be version 24. I downloaded this version, but cannot get it to install. E.g 
$ Perl -v
This is perl 5, version 18, subversion 2 (v5.18.2) built for darwin-th
+read-multi-2level (with 2 registered patches, see perl -V for more de
+tail)
Copyright 1987-2013, Larry Wall
$ /Users/michael.bunnemeyer/Downloads/perl-5.24\ 5.0/installperl ; exi
+t;
-bash: /Users/michael.bunnemeyer/Downloads/perl-5.24 5.0/installperl: 
+./perl: bad interpreter: No such file or directory
logout
Saving session...
...copying shared history...
...saving history...truncating history files...
...completed.
Deleting expired sessions...24 completed.

[Process completed]

[download]
Apparently v24 is not installed, as per $ perl -v Wooden shoe

In reply to Installing Perl v24 does not work! by Wooden Shoe

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