REPL

Ruby

PS S:\> irb
irb(main):001:0> puts "hello world"
hello world
=> nil
irb(main):002:0> exit

PS S:\>irb
irb(main):001:0> x = 10
=> 10
irb(main):002:0> y = 20
=> 20
irb(main):003:0> z = 30
=> 30
irb(main):004:0> area = (x*y + y*z + z*x) * 2
=> 2200
irb(main):005:0> volume = x * y * z
=> 6000
irb(main):006:0> print("表面積=", area, "\n")
楓ﾊ積=2200
=> nil
irb(main):007:0> print("体積=", volume, "\n")
体積=6000
=> nil
irb(main):008:0> exit

PS S:\>irb -Ks
irb(main):001:0> x = 10
=> 10
irb(main):002:0> y = 20
=> 20
irb(main):003:0> z = 30
=> 30
irb(main):004:0> area = (x*y + y*z + z*x) * 2
=> 2200
irb(main):005:0> volume = x * y * z
=> 6000
irb(main):006:0> print("表面積=", area, "\n")
表面積=2200
=> nil
irb(main):007:0> print("体積=", volume, "\n")
体積=6000
=> nil
irb(main):008:0>

Python

PS S:\> python
Python 2.7.2 (default, Jun 12 2011, 15:08:59) [MSC v.1500 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> print("hello world")
hello world
>>> quit()

Perl

PS S:\> perl -de 0

Loading DB routines from perl5db.pl version 1.33
Editor support available.

Enter h or `h h' for help, or `perldoc perldebug' for more help.

main::(-e:1):   0

  DB<1> print "hello world\n"
hello world


  DB<2> q

PHP

PS S:\> php -a
Interactive mode enabled

echo "hello world\n"
^Z
echo "hello world\n"
PS S:\> php -a
Interactive mode enabled

<?php
echo "hello world\n"
?>
^Z
hello world
PS S:\>