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How to run Perl in an interactive shell

by Asim Jalis, MetaProse.com

An interactive shell is useful for quickly trying out different commands. While Ruby, Python, and Clojure come with interactive shells, Perl does not. However, it is easy to create one using this one-liner on Unix systems:

perl -e 'do{print("perl> ");$_x=<>;chomp $_x;print(eval($_x)."\n")}while($_x ne "q")'
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Yixf-Self / _.md
Last active August 29, 2015 14:17 — forked from klange/_.md

Since this is on Hacker News and reddit...

  • No, I don't distribute my résumé like this. A friend of mine made a joke about me being the kind of person who would do this, so I did (the link on that page was added later). My actual résumé is written in BSD mandoc.
  • I apologize for the use of _t in my types. I spend a lot of time at a level where I can do that; "reserved for system libraries? I am the system libraries".
  • Since people kept complaining, I've fixed the assignments of string literals to non-const char *s.
  • My use of type * name, however, is entirely intentional.
  • If you're using an older compiler, you might have trouble with the anonymous unions and the designated initializers - I think gcc 4.4 requires some extra braces to get them working together. Anything reasonably recent should work fine. Clang and gcc (newer than 4.4, at
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Yixf-Self / Makefile
Last active August 29, 2015 14:16 — forked from isaacs/Makefile
# Hello, and welcome to makefile basics.
#
# You will learn why `make` is so great, and why, despite its "weird" syntax,
# it is actually a highly expressive, efficient, and powerful way to build
# programs.
#
# Once you're done here, go to
# http://www.gnu.org/software/make/manual/make.html
# to learn SOOOO much more.