Created
October 24, 2014 10:49
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Script extracting group information from a text file
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#!/usr/bin/ruby -w | |
Group = Struct.new :name, :primary, :secondary, :editors | |
GET_UID = /uid=([^,]*)/ | |
EXTRACT = { | |
"dn" => [:name, /cn=([^,]*)/], | |
"owner" => [:primary, GET_UID], | |
"seeAlso" => [:secondary, GET_UID], | |
"uniquemember" => [lambda {|group, ed| (group.editors ||= []) << ed}, GET_UID], | |
} | |
groups = [] | |
def groups.update(group) | |
self << group if group | |
nil | |
end | |
current = nil | |
ARGF.each_line do |line| | |
if /^\s*$/ =~ line | |
# empty line | |
current = groups.update(current) | |
else | |
instructions = EXTRACT[line[/^\w+/]] | |
if instructions | |
where, rx = *instructions | |
data = line[rx, 1] | |
current ||= Group.new | |
if Proc === where | |
where[current, data] | |
else | |
current[where] = data | |
end | |
end | |
end | |
end | |
current = groups.update(current) | |
groups.sort_by!(&:name) | |
# debug: | |
# require 'pp' | |
# pp groups | |
# proper output: | |
groups.each do |group| | |
puts "Group: #{group.name}", | |
"Primary: #{group.primary}", | |
"Secondary: #{group.secondary}" | |
group.editors.sort.each {|ed| puts "Editor: #{ed}"} | |
puts | |
end |
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dn: cn=group2,ou=groups,dc=example,dc=com | |
owner: uid=user1,ou=people,dc=example,dc=com | |
seeAlso: uid=user2,ou=people,dc=example,dc=com | |
uniquemember: uid=user1,ou=people,dc=example,dc=com | |
uniquemember: uid=user2,ou=people,dc=example,dc=com | |
dn: cn=group1,ou=groups,dc=example,dc=com | |
owner: uid=user8,ou=people,dc=example,dc=com | |
seeAlso: uid=user6,ou=people,dc=example,dc=com | |
uniquemember: uid=user8,ou=people,dc=example,dc=com | |
uniquemember: uid=user11,ou=people,dc=example,dc=com | |
uniquemember: uid=user20,ou=people,dc=example,dc=com |
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