291 scripts tagged as: [level · beginner]
| Natural numbers sum | ||
| natural-numbers-sum.r | 1.0 KB 27 Sep 2014 | Sums all the natural numbers up to
a given input.
Uses the equality:
1 + 2 + 3 +... + n = n*(n+1)/2
to avoid looping. author: Caridorc |
| Change File Extensions (Suffix) | ||
| new-suffix.r | 1.3 KB 26 Jan 2005 | Change the file extension (suffix) for files with a specific extension.
For example, change all .txt files to .r files in the current directory.
Displays a list of changes before it makes them. author: Carl Sassenrath |
| AIOE Newsgroup Test | ||
| newsgroup.r | v:1.0.0 13.3 KB 8 Mar 2008 | - an application of NNTP protocol
- and an introduction AIOE.org author: R.v.d.Zee |
| Not | ||
| not.r | v:1.0.1 538 bytes 13 Mar 2003 | Implements Not operator as '!, and Not Equal operator as '!=. author: Andrew Martin |
| How many seconds old are you? | ||
| now.r | 1.2 KB 6 Sep 2004 | Newbie exercise (written by a newbie) to learn more about the NOW Function Word. author: Leke |
| The number-memory buttons | ||
| number-buttons-game.r | 3.6 KB 23 Sep 2014 | In this game you will have to click the buttons
and memorize the numebers, at the end you will
be asked to write the bigger or the smaller.
This is a race against your memory. author: Caridorc |
| Natural numbers sum | ||
| nutural-numbers-sum.r | 1.0 KB 27 Sep 2014 | Sums all the natural numbers up to
a given input.
Uses the equality:
1 + 2 + 3 +... + n = n*(n+1)/2
to avoid looping. author: Caridorc |
| Text-Lists With One Row Hi-lite | ||
| one-row-hilite.r | v:0.1.1 6.8 KB 23 Jun 2006 | The script was written to illustrate how a single hi-lite bar can be used with a group of text-lists. The single bar is used instead of the in-built hi-lite of the text-list style. In a group of the default text-lists, all occurrences of identical data are hi-lighted if any one of them is picked - and so no uniform hi-lite bar can be presented.
The iter co-ordinates [...] author: R.v.d.Zee |
| BMP to PNG | ||
| oneliner-bmp-to-png.r | v:1.0.0 575 bytes 20 Jul 2003 | Reads all .bmp files in a directory and saves them out as .png files. author: Bohdan Lechnowsky |
| Chess board | ||
| oneliner-chess-board.r | v:1.0.0 551 bytes 13 Aug 2004 | Displays an empty chess board author: Sunanda |
| Clear-me game | ||
| oneliner-clear-me.r | v:1.0.0 811 bytes 20 Jul 2003 | A one-line game. A line of twenty boxes appear, each with a cross on, the object
being to remove all the crosses. Clicking on a box will toggle it and one other off and on.
Sometimes the line is easy to clear, and sometimes not. And no, I don't know if sometimes
it's impossible... author: Carl Read |
| Console history | ||
| oneliner-dohist.r | v:1.0.0 570 bytes 20 Jul 2003 | Allow you to use the history just by index. author: Fabrice Vado |
| Upload all files in a directory with FTP | ||
| oneliner-ftp-upload-dir.r | v:1.0.0 653 bytes 20 Jul 2003 | Uploads all the files in a directory using FTP. Files can be text, images, web pages,
anything... but not directories. author: RT |
| Upload a file with FTP | ||
| oneliner-ftp-upload-file.r | v:1.0.0 637 bytes 20 Jul 2003 | Uploads a file using FTP (file transfer protocol). Username and password are
provided in the line (so be warned). Any file can be uploaded, text, images, webpages, etc. author: RT |
| Print console history | ||
| oneliner-hist.r | v:1.0.0 502 bytes 20 Jul 2003 | Print the console history. author: Romano Paolo Tenca |
| Image viewer | ||
| oneliner-image-viewer.r documentation | v:1.0.0 622 bytes 20 Jul 2003 | Displays a picture in a window. Click on it to select another one. author: Vincent Ecuyer |
| Test if leap year | ||
| oneliner-leapyear.r | v:1.0.0 681 bytes 20 Jul 2003 | 'Leapyear? returns 'true for date values that are leapyears. For example:
>> leapyear? 1/1/2001
== none
>> leapyear? 1/1/2000
== true author: Andrew Martin |
| Write a log file | ||
| oneliner-log.r | v:1.0.0 741 bytes 20 Jul 2003 | Logs Rebol values to a file named %Log.txt. I use 'Log to help debug CGI scripts.
Use 'Log like:
Log/clear now ; Start a new log file.
; What's the CGI query string contents?
Log Rebol/options/cgi/query-string author: Andrew Martin |
| Monty Hall Challenge | ||
| oneliner-monty-hall.r documentation | v:1.0.0 694 bytes 13 Aug 2004 | Simulates swapping doors after Monty shows a goat. Result is percentage wins
after 100 runs. (MHC: a well-known and often debated probability puzzle involving three
doors, two goats, and a car). author: Sunanda (with tweaks from Romano T, Ryan C, Carl R, and Reichart) |
| Improved probe | ||
| oneliner-newprobe.r | v:1.0.0 546 bytes 20 Jul 2003 | Requires last beta versions. A more usable probe. Try: view newprobe layout
[button probe ] author: Romano Paolo Tenca |
| Fractional length | ||
| oneliner-nfrac.r | v:1.0.0 610 bytes 27 Sep 2003 | nfrac 33 => 0 ; nfrac 456 => 0 ; nfrac 0.2104 => 4 ; nfrac 1256.63 => 2 ; nfrac
1.0 => 0 author: collective contribution on www.codeur.org/forum/forum.php?theme=17 |
| Calculate Pi | ||
| oneliner-pi.r | v:1.0.0 654 bytes 20 Jul 2003 | Approximate PI with John Wallis formula.
Precision limited to 15 digits due to REBOL. Just press ESC when fed up ;-)
Formula from http:// www.chez.com/algor/math/pi.htm author: Jean-Nicolas Merville |
| Prime factors | ||
| oneliner-prime-factors.r documentation | 556 bytes 23 Jun 2008 | [no purpose header found] author: Sunanda |
| Prime numbers | ||
| oneliner-prime-numbers.r | v:0.0.1 452 bytes 23 Dec 2012 | Give some prime numbers author: Marco Antoniazzi translated from Wouter van Oortmerssen |
| web page links | ||
| oneliner-print-links.r | v:1.0.0 580 bytes 20 Jul 2003 | Load a web page, parse it to extract and print all links found author: Christophe Coussement |
| Print HTML source | ||
| oneliner-print-web-page.r | v:1.0.0 489 bytes 27 Sep 2003 | Prints to the console the HTML source for a web page. author: RT |
| Quine -- a program that displays it's own source | ||
| oneliner-quine.r | v:1.0.0 636 bytes 8 Mar 2009 | Creates a self modifying window. (includes the REBOL Header.) author: Ammon Johnson |
| Save console history | ||
| oneliner-save-console-history.r | v:1.0.0 737 bytes 20 Jul 2003 | Takes the history of input into the console and prints it out, line by line, to a file.
This way you can paste in functions and whole scripts, and save them for viewing and
editing. Sorts it to display the oldest commands at the top. author: Saw it on the ML a while ago |
| Save web page | ||
| oneliner-save-web-page-text.r | v:1.0.0 651 bytes 20 Jul 2003 | This line reads a web page, strips all its tags (leaving just the text) and writes it to
a file called page.txt. Note: requires newer releases of REBOL. author: Carl Sassenrath |
| Send email | ||
| oneliner-send-email.r | v:1.0.0 621 bytes 20 Jul 2003 | Simple GUI for email sending. Displays a small ok window when email is sent. author: DocKimbel |
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