# Ruby

**URL:** https://www.ruby-forum.com/c/ruby/7.md?page=1223

[Latest](https://www.ruby-forum.com/latest.md) · [Categories](https://www.ruby-forum.com/categories.md) · [Tags](https://www.ruby-forum.com/tags.md)

**Page:** 1224

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## [Ruby Puzzle Challenge](https://www.ruby-forum.com/t/ruby-puzzle-challenge/127620)

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**Author:** [@Wyatt\_G](https://www.ruby-forum.com/u/Wyatt_G)\
**Replies:** 13\
**Last updated:** [January 31, 2008, 3:50am UTC](https://www.ruby-forum.com/t/ruby-puzzle-challenge/127620 "2008-01-31T03:50:55Z")

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Write a Ruby program that prints out the numbers 1 to 100, one number per line. The program must be less than 10 characters long. Good luck! Wyatt G.

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## [Using gems from C extensions](https://www.ruby-forum.com/t/using-gems-from-c-extensions/127564)

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**Author:** [@reflex](https://www.ruby-forum.com/u/reflex)\
**Replies:** 4\
**Last updated:** [January 31, 2008, 12:14am UTC](https://www.ruby-forum.com/t/using-gems-from-c-extensions/127564 "2008-01-31T00:14:55Z")

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Hello I’m trying to use the json gem from a C extension. Doing this fails with “no such file to load – json (LoadError)”: rb\_require("rubygems"); rb\_require("json"); However, if I add rb\_funcall(rb\_mKernel, rb\_inter…

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## [Newbie: working with binary files/extract png from a binary file](https://www.ruby-forum.com/t/newbie-working-with-binary-files-extract-png-from-a-binary-file/127559)

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**Author:** [@jim](https://www.ruby-forum.com/u/jim)\
**Replies:** 5\
**Last updated:** [January 30, 2008, 11:50pm UTC](https://www.ruby-forum.com/t/newbie-working-with-binary-files-extract-png-from-a-binary-file/127559 "2008-01-30T23:50:50Z")

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Hello, I am reverse engineering a binary file that has an embedded PNG image in it. I opened the file in a hex editor and found the png header information, but how to use Ruby to extract the PNG to it’s own file?

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## [Thin 0.6.2 Rambo release](https://www.ruby-forum.com/t/thin-0-6-2-rambo-release/127627)

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**Author:** [@macournoyer](https://www.ruby-forum.com/u/macournoyer)\
**Replies:** 0\
**Last updated:** [January 30, 2008, 11:13pm UTC](https://www.ruby-forum.com/t/thin-0-6-2-rambo-release/127627 "2008-01-30T23:13:41Z")

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Hey all, Version 0.6.2 (codename Rambo) of the fastest Ruby server is out! http://code.macournoyer.com/thin/ == What’s new? Important bug fixes for 0.6.1 Cheesecake, please update! A couple people reported memory & …

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## [Storing multiple of the same object from a request](https://www.ruby-forum.com/t/storing-multiple-of-the-same-object-from-a-request/127547)

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**Author:** [@laredotornado](https://www.ruby-forum.com/u/laredotornado)\
**Replies:** 1\
**Last updated:** [January 30, 2008, 10:57pm UTC](https://www.ruby-forum.com/t/storing-multiple-of-the-same-object-from-a-request/127547 "2008-01-30T22:57:45Z")

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Hi, I have this form … \<% for i in 1 … 5 %\> \<%= text\_field("ec\_line\_item", "prescription\_number", "index" =\> i) %\> \<%= text\_field("ec\_line\_item", "description", "index" =\> i…

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## [Rubyquiz: Making Change (#154)](https://www.ruby-forum.com/t/rubyquiz-making-change-154/127623)

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**Author:** [@peterpiper](https://www.ruby-forum.com/u/peterpiper)\
**Replies:** 0\
**Last updated:** [January 30, 2008, 10:42pm UTC](https://www.ruby-forum.com/t/rubyquiz-making-change-154/127623 "2008-01-30T22:42:19Z")

</div>

This is my first rubyquiz solution. I think it does as intended although it doesn’t have much error checking for the arguments. Enjoy! def make\_change(amount, coins = \[25, 10, 5, 1\]) return “no solution” if amount==0 …

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## [Parsing a string with quotes](https://www.ruby-forum.com/t/parsing-a-string-with-quotes/127609)

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**Author:** [@liquidrails](https://www.ruby-forum.com/u/liquidrails)\
**Replies:** 7\
**Last updated:** [January 30, 2008, 10:00pm UTC](https://www.ruby-forum.com/t/parsing-a-string-with-quotes/127609 "2008-01-30T22:00:53Z")

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I am trying to parse out the string: My dog “ate” my “math homework” and “my cat” into the array: \[My, dog, ate, my, math homework, and, my cat\] Does anybody know a good way to do this? Thank you in advance, Cheri

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## [Proposal/RFQ: Hash#values/keys with block](https://www.ruby-forum.com/t/proposal-rfq-hash-values-keys-with-block/127460)

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**Author:** [@Dirk\_T](https://www.ruby-forum.com/u/Dirk_T)\
**Replies:** 9\
**Last updated:** [January 30, 2008, 9:30pm UTC](https://www.ruby-forum.com/t/proposal-rfq-hash-values-keys-with-block/127460 "2008-01-30T21:30:45Z")

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Hi! Hash#values and Hash#keys return the values/keys of a hash as an array. Wouldn’t it be nice if you could just add a block to specify which values/keys you want returned? hash = { ‘a’ =\> 1, ‘bb’ =\> 2, ‘c’ =\> 33, ‘…

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## [Hpricot question](https://www.ruby-forum.com/t/hpricot-question/127614)

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**Author:** [@levelheaded](https://www.ruby-forum.com/u/levelheaded)\
**Replies:** 0\
**Last updated:** [January 30, 2008, 9:26pm UTC](https://www.ruby-forum.com/t/hpricot-question/127614 "2008-01-30T21:26:19Z")

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when I parse html file and capture the elements, hpricot automatically fixes the issues and shows the results. so if html source code has This title is formatted wrong puts doc.at(“title”).to\_html shows This title…

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## [Some Questions](https://www.ruby-forum.com/t/some-questions/127597)

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**Author:** [@massimiliano](https://www.ruby-forum.com/u/massimiliano)\
**Replies:** 2\
**Last updated:** [January 30, 2008, 9:14pm UTC](https://www.ruby-forum.com/t/some-questions/127597 "2008-01-30T21:14:21Z")

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Hi all, At the moment, I need to start some projects in my job. One, is a POS (Point of Sale) with a backend for control inventory, products, etc… Other, is a HelpDesk soft to control our clients. Another, is a scrip…

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## [Capture stdout and stderr from another process](https://www.ruby-forum.com/t/capture-stdout-and-stderr-from-another-process/127588)

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**Author:** [@pazu](https://www.ruby-forum.com/u/pazu)\
**Replies:** 1\
**Last updated:** [January 30, 2008, 9:05pm UTC](https://www.ruby-forum.com/t/capture-stdout-and-stderr-from-another-process/127588 "2008-01-30T21:05:55Z")

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I want to Start another (lengthy) process/command from a ruby script Capture whatever that process is writing to stdout and stderr separately At the samt time give feedback to the console on what is happening (ie I d…

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## [Erubis 2.5.0 released - a fast and extensible eRuby](https://www.ruby-forum.com/t/erubis-2-5-0-released-a-fast-and-extensible-eruby/127587)

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**Author:** [@makoto\_kuwata](https://www.ruby-forum.com/u/makoto_kuwata)\
**Replies:** 1\
**Last updated:** [January 30, 2008, 8:50pm UTC](https://www.ruby-forum.com/t/erubis-2-5-0-released-a-fast-and-extensible-eruby/127587 "2008-01-30T20:50:25Z")

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I have released Erubis 2.5.0. http://www.kuwata-lab.com/erubis/ Erubis is another eRuby implementation which is very fast and extensible than ERB and eruby. Enhancements from 2.4.1: Ruby on Rails 2.0 support If y…

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## [DBI error please help](https://www.ruby-forum.com/t/dbi-error-please-help/127610)

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**Author:** [@woodzer](https://www.ruby-forum.com/u/woodzer)\
**Replies:** 0\
**Last updated:** [January 30, 2008, 7:58pm UTC](https://www.ruby-forum.com/t/dbi-error-please-help/127610 "2008-01-30T19:58:23Z")

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I cannot do a select on a decimal field all others work fine. Any help in solving this is greatly appreciated. Ruby throws this error. \[Wed Jan 30 13:46:34 2008\] \[error\] mod\_ruby: error in ruby \[Wed Jan 30 13:46:34 2…

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## [Newbie file write problem](https://www.ruby-forum.com/t/newbie-file-write-problem/127505)

<div class="topic-metadata">

**Author:** [@Lars\_Z](https://www.ruby-forum.com/u/Lars_Z)\
**Replies:** 14\
**Last updated:** [January 30, 2008, 7:11pm UTC](https://www.ruby-forum.com/t/newbie-file-write-problem/127505 "2008-01-30T19:11:03Z")

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This is my first attempt at ruby. I’ve written a class (SicCode) which parses a line and outputs a SQL command. I use the following to read an input file and to attempt to write: f = File.new(“text.txt”, “w”) File.op…

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## [No such file to load -- ruby\_to\_c](https://www.ruby-forum.com/t/no-such-file-to-load-ruby-to-c/127598)

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**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\
**Replies:** 1\
**Last updated:** [January 30, 2008, 6:31pm UTC](https://www.ruby-forum.com/t/no-such-file-to-load-ruby-to-c/127598 "2008-01-30T18:31:24Z")

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I am getting that error message even after I installed the ZenHacks gem. Can someone please help? TIA.

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## [IO#gets raise IOError when not writable](https://www.ruby-forum.com/t/io-gets-raise-ioerror-when-not-writable/127583)

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**Author:** [@sheepman](https://www.ruby-forum.com/u/sheepman)\
**Replies:** 2\
**Last updated:** [January 30, 2008, 6:24pm UTC](https://www.ruby-forum.com/t/io-gets-raise-ioerror-when-not-writable/127583 "2008-01-30T18:24:58Z")

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e$B$3$s$K$A$Oe(B sheepman e$B$G$9!#e(B e$B0J2\<$N$h$&$K%Q%$%W$re(B IO#close\_write e$B$9$k$He(B IO#gets e$B$G%(%i!\<$K$J$j$^$9!#e(B $ cat t.rb io = IO.popen(“cat”, “r+”) io.puts(“foo”) io.close\_write p io.gets $ rub…

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## [File.read(filename, :encoding =\> "Shift\_JIS:EUC-JP")](https://www.ruby-forum.com/t/file-read-filename-encoding-shift-jis-euc-jp/127593)

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**Author:** [@unknown](https://www.ruby-forum.com/u/unknown)\
**Replies:** 0\
**Last updated:** [January 30, 2008, 5:26pm UTC](https://www.ruby-forum.com/t/file-read-filename-encoding-shift-jis-euc-jp/127593 "2008-01-30T17:26:13Z")

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e$B$k$S$-$A$G$9!#e(B File.read / File.readlinese$B$Ge(B :encoding =\> "enc1:enc2"e$B$H;XDj$G$-$k$He(B open e$B$H$N@09g@-$,\<h$l$k$H;W$$$^$9!#e(B Encoding.default\_external # =\> #Encoding:EUC-JP open(“sjis.txt”, “…

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## [Help me out](https://www.ruby-forum.com/t/help-me-out/127595)

<div class="topic-metadata">

**Author:** [@saro](https://www.ruby-forum.com/u/saro)\
**Replies:** 2\
**Last updated:** [January 30, 2008, 5:11pm UTC](https://www.ruby-forum.com/t/help-me-out/127595 "2008-01-30T17:11:15Z")

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PLEASE HELP ME OUT This is my program and here i have tried to retrieve mails from my inbox to my mobile but i got some error I cant clear it and understand where it is #!/usr/bin/evn ruby forward\_important\_message…

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## [Help me out](https://www.ruby-forum.com/t/help-me-out/196586)

<div class="topic-metadata">

**Author:** [@saro](https://www.ruby-forum.com/u/saro)\
**Replies:** 0\
**Last updated:** [January 30, 2008, 4:55pm UTC](https://www.ruby-forum.com/t/help-me-out/196586 "2008-01-30T16:55:22Z")

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PLEASE HELP ME OUT This is my program and here i have tried to retrieve mails from my inbox to my mobile but i got some error I cant clear it and understand where it is #!/usr/bin/evn ruby forward\_important\_message…

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## [Nkf $B$N(B CP932](https://www.ruby-forum.com/t/nkf-b-n-b-cp932/127541)

<div class="topic-metadata">

**Author:** [@drenovac](https://www.ruby-forum.com/u/drenovac)\
**Replies:** 6\
**Last updated:** [January 30, 2008, 4:30pm UTC](https://www.ruby-forum.com/t/nkf-b-n-b-cp932/127541 "2008-01-30T16:30:29Z")

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e$B@.@%$5$s!“3’$5$s!”$3$s$K$A$O!#e(B CP932 e$B$N\<~$j$NJ8;z%3!\<%IJQ49$r8!F$$7$?$H$3$m$G!“e(B http://nkf.sourceforge.jp/ucm/cp932.ucm e$B$r%Y!\<%9$K$7$?$$$H;W$$$^$7$?$,!“e(B e$B$$$/$D$+5$$K$J$C$?E@$,$”$j$^$9!#$40U8+!&%”…

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## [Start and stop a ruby loop ;(](https://www.ruby-forum.com/t/start-and-stop-a-ruby-loop/127575)

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**Author:** [@sameera](https://www.ruby-forum.com/u/sameera)\
**Replies:** 3\
**Last updated:** [January 30, 2008, 4:10pm UTC](https://www.ruby-forum.com/t/start-and-stop-a-ruby-loop/127575 "2008-01-30T16:10:55Z")

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Hi all, I have the following loop class myFirstClass is\_loop = 0 def start\_my\_loop for is\_loop \< 1 puts ‘Im inside the loop…’ end end end i can start above class’s loop by using following… require ‘myFirstClas…

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## [Dl/test dumps core](https://www.ruby-forum.com/t/dl-test-dumps-core/127586)

<div class="topic-metadata">

**Author:** [@sheepman](https://www.ruby-forum.com/u/sheepman)\
**Replies:** 0\
**Last updated:** [January 30, 2008, 3:56pm UTC](https://www.ruby-forum.com/t/dl-test-dumps-core/127586 "2008-01-30T15:56:42Z")

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e$B$3$s$P$s$Oe(B sheepman e$B$G$9!#e(B trunk e$B$Ne(B ext/dl/test/test\_func.rb e$B$r\<B9T$9$k$He(B core e$B$rEG$-$^$9!#e(B dl e$B$@$+$i$3$l$O;EJ}$J$$$H$7$F!"%F%9%H\<+BN$,4V0c$C$F$$$k$N$G%Q%C%A$G$9!#e(B $ svn diff test…

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## [(no subject)](https://www.ruby-forum.com/t/no-subject/127585)

<div class="topic-metadata">

**Author:** [@Hany\_Morcos](https://www.ruby-forum.com/u/Hany_Morcos)\
**Replies:** 0\
**Last updated:** [January 30, 2008, 3:48pm UTC](https://www.ruby-forum.com/t/no-subject/127585 "2008-01-30T15:48:59Z")

</div>

guide \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Looking for last minute shopping deals? Find them fast with Yahoo! Search. http://tools.search.yahoo.com/newsearch/category…

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## [Reading Images via RMagick until Ruby killed](https://www.ruby-forum.com/t/reading-images-via-rmagick-until-ruby-killed/127570)

<div class="topic-metadata">

**Author:** [@der\_guido](https://www.ruby-forum.com/u/der_guido)\
**Replies:** 2\
**Last updated:** [January 30, 2008, 3:01pm UTC](https://www.ruby-forum.com/t/reading-images-via-rmagick-until-ruby-killed/127570 "2008-01-30T15:01:09Z")

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Hey mates, I´m a newbie to Ruby and Rails. But I´m a programer since few years. So my problem is, that I will try to read a lot of photos with RMagick. require ‘rubygems’ # if installed via Gems require ‘RMagick’ …

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## [For Loop question](https://www.ruby-forum.com/t/for-loop-question/127514)

<div class="topic-metadata">

**Author:** [@pimeamark](https://www.ruby-forum.com/u/pimeamark)\
**Replies:** 12\
**Last updated:** [January 30, 2008, 3:00pm UTC](https://www.ruby-forum.com/t/for-loop-question/127514 "2008-01-30T15:00:49Z")

</div>

ok basically i cant quite figure out how to do a for loop i want in ruby. Here’s what i want to do in C++, with some ruby mixed in for (i = 0; @question\_array\[i\].nil?; i++) { code here… } it’s supposed to run until…

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## [Cannot load Ruby extension (.so) checked into ClearCase](https://www.ruby-forum.com/t/cannot-load-ruby-extension-so-checked-into-clearcase/127573)

<div class="topic-metadata">

**Author:** [@daniel\_SSSSkerud](https://www.ruby-forum.com/u/daniel_SSSSkerud)\
**Replies:** 0\
**Last updated:** [January 30, 2008, 2:26pm UTC](https://www.ruby-forum.com/t/cannot-load-ruby-extension-so-checked-into-clearcase/127573 "2008-01-30T14:26:08Z")

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When I try to load a Ruby extension that I have checked into ClearCase, something weird happens: ./lib/whatever.so: 5: Access is denied. - ./lib/whatever.so (LoadError) If I check out the file, and make it ReadOnly…

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## [Error installing using rubygem](https://www.ruby-forum.com/t/error-installing-using-rubygem/127501)

<div class="topic-metadata">

**Author:** [@Sanjay\_P](https://www.ruby-forum.com/u/Sanjay_P)\
**Replies:** 1\
**Last updated:** [January 30, 2008, 1:46pm UTC](https://www.ruby-forum.com/t/error-installing-using-rubygem/127501 "2008-01-30T13:46:20Z")

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I am doing a fresh install. I have installed OS Redhat Enterprise Ruby 1.8.6 (from Source) rubygems versions 1.0.1 (from Source) when I run the following to install rails: gem install rails --include-dependencies I…

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## [How do we create ann Interface using Webrick](https://www.ruby-forum.com/t/how-do-we-create-ann-interface-using-webrick/127554)

<div class="topic-metadata">

**Author:** [@prasadm29](https://www.ruby-forum.com/u/prasadm29)\
**Replies:** 0\
**Last updated:** [January 30, 2008, 11:16am UTC](https://www.ruby-forum.com/t/how-do-we-create-ann-interface-using-webrick/127554 "2008-01-30T11:16:29Z")

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I have created the following interface but while connecting the client throws =\> ““Method ExecuteTest missing or wrong number of parameters!”” error INTERFACE = XMLRPC::interface(“srv”) { meth ‘string ExecuteTest(str…

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## [REXML (1.8.6 p111) Document.write fails - "undefined local"](https://www.ruby-forum.com/t/rexml-1-8-6-p111-document-write-fails-undefined-local/127193)

<div class="topic-metadata">

**Author:** [@weyus](https://www.ruby-forum.com/u/weyus)\
**Replies:** 1\
**Last updated:** [January 30, 2008, 6:58am UTC](https://www.ruby-forum.com/t/rexml-1-8-6-p111-document-write-fails-undefined-local/127193 "2008-01-30T06:58:30Z")

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All, Windows One-Click installer Ruby 1.8.6 patchlevel 111. I have code that uses REXML to emit an XML document and when I run it on 1.8.6 (upgraded) from 1.8.4, I see the error “undefined local variable”. Sure enoug…

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## [Searching for a working Ruby parser](https://www.ruby-forum.com/t/searching-for-a-working-ruby-parser/127155)

<div class="topic-metadata">

**Author:** [@saladinmundi](https://www.ruby-forum.com/u/saladinmundi)\
**Replies:** 9\
**Last updated:** [January 30, 2008, 5:48am UTC](https://www.ruby-forum.com/t/searching-for-a-working-ruby-parser/127155 "2008-01-30T05:48:56Z")

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Hey folks! I’m searching for a working Ruby parser. I found: coco-ruby 1.0.0 antlr(antlr3rubytarget) I tried both but they didn’t worked for me. (Perhaps I did something wrong…) Does anyone of you uses / knows a w…

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