# New to Ruby. Why does the command line pop up an then go awa **URL:** \ **Category:** Ruby\ **Created:** [February 9, 2009, 2:18am UTC](https://www.ruby-forum.com/t/new-to-ruby-why-does-the-command-line-pop-up-an-then-go-awa/159809 "2009-02-09T02:18:25Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![johnnybutler7](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/8491ac/32.png) [@johnnybutler7](https://www.ruby-forum.com/u/johnnybutler7)\ **Post date:** [February 9, 2009, 2:18am UTC](https://www.ruby-forum.com/t/new-to-ruby-why-does-the-command-line-pop-up-an-then-go-awa/159809/1 "2009-02-09T02:18:25Z")
When ever I run a code file .rb The code, puts “Hello” I get the command prompt that flashes for a moment but does not stay up. How do I fix this. ---
**Author:** ![johnnybutler7](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/8491ac/32.png) [@johnnybutler7](https://www.ruby-forum.com/u/johnnybutler7)\ **Post date:** [February 9, 2009, 2:26am UTC](https://www.ruby-forum.com/t/new-to-ruby-why-does-the-command-line-pop-up-an-then-go-awa/159809/2 "2009-02-09T02:26:21Z")
On windows there are two ruby executables: ruby.exe and rubyw.exe. read about them here: > **[FAQ: "script.rb" versus "script.rbw"](http://rubyonwindows.blogspot.com/2007/05/faq-scriptrb-versus-scriptrbw.html)** > > What's the difference between ".rb" and ".rbw" files? As you probably know, Windows associates certain filename extensions with certain prog... If you want to ruby console output run the script from a shell instead of double clicking: C:\Users\me\Desktop\>ruby test.rb Hello or use irb: C:\Users\me\Desktop\>irb irb(main):001:0\> load “test.rb” Hello =\> true irb(main):002:0\> — On Sun, 2/8/09, John B. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: From: John B. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) Subject: New to Ruby. Why does the command line pop up an then go awa To: “ruby-talk ML” [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) Date: Sunday, February 8, 2009, 8:17 PM When ever I run a code file .rb The code, puts “Hello” I get the command prompt that flashes for a moment but does not stay up. How do I fix this. ---
**Author:** ![johnnybutler7](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/8491ac/32.png) [@johnnybutler7](https://www.ruby-forum.com/u/johnnybutler7)\ **Post date:** [February 10, 2009, 12:33am UTC](https://www.ruby-forum.com/t/new-to-ruby-why-does-the-command-line-pop-up-an-then-go-awa/159809/3 "2009-02-10T00:33:18Z")
This is not as correct as the other approaches, but you can also end your code with “getc” then the program will pause until you press enter. John B. wrote: > When ever I run a code file .rb > > The code, > > puts “Hello” > > I get the command prompt that flashes for a moment but does not stay up. > > How do I fix this. ---
**Author:** ![johnnybutler7](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/8491ac/32.png) [@johnnybutler7](https://www.ruby-forum.com/u/johnnybutler7)\ **Post date:** [February 10, 2009, 4:32am UTC](https://www.ruby-forum.com/t/new-to-ruby-why-does-the-command-line-pop-up-an-then-go-awa/159809/4 "2009-02-10T04:32:09Z")
Hi John, no harm meant indeed. Am Dienstag, 10. Feb 2009, 08:32:14 +0900 schrieb Raphael C.: > John B. wrote: > > > When ever I run a code file .rb > > The code, > > > > puts “Hello” > > > > I get the command prompt that flashes for a moment but does not stay up. > > This is not as correct as the other approaches, but you can also end > your code with “getc” then the program will pause until you press enter. > ^^^^^ Unless you tweak “termios”. What cannot be done on Windows… Did ever anyone count the unnecessary and dulling questions that arise by just running that wicked OS? Sorry, sorry, sorry. I cannot resist posting the truism. A score of times I refrained. Bertram ---
**Author:** ![johnnybutler7](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/8491ac/32.png) [@johnnybutler7](https://www.ruby-forum.com/u/johnnybutler7)\ **Post date:** [February 13, 2009, 8:33pm UTC](https://www.ruby-forum.com/t/new-to-ruby-why-does-the-command-line-pop-up-an-then-go-awa/159809/5 "2009-02-13T20:33:00Z")
Raphael C. wrote: > This is not as correct as the other approaches, but you can also end > your code with “getc” then the program will pause until you press enter. > > John B. wrote: > > > When ever I run a code file .rb > > > > The code, > > > > puts “Hello” > > > > I get the command prompt that flashes for a moment but does not stay up. > > > > How do I fix this. Sigh… “getc” is sorta deprecated. Use “gets” or “STDIN.getc” if you get a warning with “getc”. (I guess it was even less correct than I thought ;-D ) ---
**Author:** ![johnnybutler7](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/8491ac/32.png) [@johnnybutler7](https://www.ruby-forum.com/u/johnnybutler7)\ **Post date:** [February 10, 2009, 6:05am UTC](https://www.ruby-forum.com/t/new-to-ruby-why-does-the-command-line-pop-up-an-then-go-awa/159809/6 "2009-02-10T06:05:56Z")
See edits: Dan D. wrote: > If you want to [see] ruby console output[,] [then] run the script from a shell instead > of double clicking: Essentially, your program does what you tell it: open a console window, run the program, close the console window. Because running your program takes only a microsecond, you see the console flash open and shut.