?
Solved

Ruby - Getting specific sections from a string

Posted on 2011-03-16
3
Medium Priority
?
385 Views
Last Modified: 2012-06-21
Hi Experts,

I have need to get specific sections from a string in Ruby.
The string is output from a "REG QUERY" command i.e


dllEntries = %x[REG QUERY HKCR\\TypeLib /d /s /f "\"#{dllName}\""]

This returns all the registry entries in HKEY_CLASSES_ROOT\TypeLib for the specified dll.

Output for example looks like this:

HKEY_CLASSES_ROOT\TypeLib\{62419E9D-5D13-4A2D-9043-69518D0DCF85}\2.0\0\win32
  (Default)    REG_SZ    "Path to dll"

HKEY_CLASSES_ROOT\TypeLib\{E19009A2-A258-4DAB-8E92-5A8E49E6C608}\1.0\0\win32
  (Default)    REG_SZ    "Path to dll"

HKEY_CLASSES_ROOT\TypeLib\{E8A97E08-76EF-40B3-B882-40C58B0FFB31}\1.0\0\win32
  (Default)    REG_SZ    "Path to dll"

HKEY_CLASSES_ROOT\TypeLib\{F6581FD0-C5B4-4AA4-9DB9-909ED00E93D5}\1.0\0\win32
  (Default)    REG_SZ   "Path to dll"

End of search: 4 match(es) found.

What I need now is a list (array if possible) of all the registry entry paths so that they can be
deleted with a "REG DELETE" command i.e

1. HKEY_CLASSES_ROOT\TypeLib\{62419E9D-5D13-4A2D-9043-69518D0DCF85}
2. HKEY_CLASSES_ROOT\TypeLib\{E19009A2-A258-4DAB-8E92-5A8E49E6C608}
3. HKEY_CLASSES_ROOT\TypeLib\{E8A97E08-76EF-40B3-B882-40C58B0FFB31}
4. HKEY_CLASSES_ROOT\TypeLib\{F6581FD0-C5B4-4AA4-9DB9-909ED00E93D5}

Any ideas how this can be achieved using ruby string manipulation?

Thanks in advance!


0
Comment
Question by:Caroline_Swart
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
3 Comments
 
LVL 2

Expert Comment

by:lusfernandos
ID: 35148729
Hi I don't know what the return type is, however if it is a string, perhaps you could just split using a blank " " and get the first element.

something similar to this:  

def first_name(full_name)
    return full_name.split[0]
end
0
 
LVL 12

Accepted Solution

by:
JESii earned 2000 total points
ID: 35152611
Try this:
result = dllEntries.grep(/^HKEY/)
puts result
output = result.map { |e| e.match(/(^.*})/)[0] }
puts output

Open in new window

0
 
LVL 12

Expert Comment

by:JESii
ID: 35189077
Glad that worked out; thanks for the points!
0

Featured Post

VIDEO: THE CONCERTO CLOUD FOR HEALTHCARE

Modern healthcare requires a modern cloud. View this brief video to understand how the Concerto Cloud for Healthcare can help your organization.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Entering a date in Microsoft Access can be tricky. A typo can cause month and day to be shuffled, entering the day only causes an error, as does entering, say, day 31 in June. This article shows how an inputmask supported by code can help the user a…
If you’re thinking to yourself “That description sounds a lot like two people doing the work that one could accomplish,” you’re not alone.
Progress
Introduction to Processes
Suggested Courses
Course of the Month8 days, 8 hours left to enroll

764 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question