Dynamic Languages: Not Just For Scripting Any More

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January 26, 2009, 10:18 AM —  CIO.com — 

Scripting languages have been around pretty much since operating systems were built to stay resident -- back to DOS JCL, and no I don't mean that DOS. I mean the Disk Operating System for the IBM 360. OS/360 JCL, Digital's various command line interpreters, UNIX shell scripts and awk all allowed more-or-less complicated programming to perform repetitive tasks. Later, scripting languages like Rexx, Tcl and Perl gave script programmers more flexibility. Still, the general assumption was that even a program that could be prototyped using a scripting language would need to be rewritten into a compiled language.

This assumption started breaking down in Web-based applications. Many important, high-capacity Web systems were built with Perl or Tcl. At the same time, scripting languages languages like Python and Ruby began to violate long-held prejudices. Python and Ruby were clear, powerful, and new implementation techniques were making them increasingly efficient.

The result is that scripting languages occupy a greater and greater part of the programming landscape; the potential for high productivity overcame many objections. Still, scripting languages weren't used in two areas of programming: systems programming and commercial, installable, "shrink-wrapped" products. Now those barriers have been broken as well.

Recently, I needed to build some new semantics around the Sun ZFS file system in order to prototype some new ideas. Traditionally, I might have done this with C. The existence of FUSE file systems in user space would simplify that. With a FUSE file system, I could write those new components in C in a user application, at least.

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Dynamic Languages: Not Just For Scripting Any More

Hi Charles,

Just wondering about your use of Python. Did you use the package from python.org or a commercial version to implement your program. I'm relatively new, and would appreciate your feedback as to your preference and why.
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